Traveling With Pets Made Easier
If you’ve ever tried to carry a pet carrier through an airport, you know how tiring and awkward it can be. Wheeled pet carriers promise to lighten the load and simplify moving your small dog or cat, especially when flying.
But choosing the right airline-approved pet carrier with wheels isn’t straightforward. There are many options that look similar but differ in size, design, and features. You’ll have to balance portability, comfort for your pet, and airline requirements without getting lost in technical details.
This guide will help you understand the key factors to consider when picking a wheeled pet carrier for air travel. It’s about finding the right fit for your pet and your travel style, not just ticking boxes.
What Matters Most For Airline-approved Carriers With Wheels
Size and airline compatibility top the list. The carrier must fit under the airline seat, which varies between airlines and aircraft. Comfort and ventilation for your pet are crucial since they’ll spend time inside the carrier. Sturdy wheels and handles affect how easy it is to navigate busy airports.
Keep in mind the trade-off between lightweight and durability. A carrier that’s too heavy adds to your burden, while a flimsy one might not hold up well during travel. Also, some designs offer expandability or removable wheels for versatility.
Common Mistakes To Avoid
One frequent error is not checking your specific airline’s size restrictions before buying. Another is overlooking your pet’s comfort and movement space in favor of carrier features. Some buyers also underestimate how important smooth-rolling wheels and a good handle can be for longer journeys.
Choosing a carrier based solely on price can lead to disappointing quality or usability. It’s better to focus on features that match your travel habits and your pet’s needs.
With these points in mind, you’ll be better prepared to explore the different carriers available. The following selections cover a range of sizes, styles, and features to suit various pets and traveler preferences.
Petskd Airline Pet Carrier With Wheels
This is the Best Airline Approved Pet Carrier With Wheels for small cats and dogs traveling with Delta, American, and United Airlines.
The Petskd Airline Pet Carrier with Wheels is a soft-sided travel solution designed specifically for small pets under 12 pounds. It fits under the seat of major airlines like Delta, American, and United, ensuring hassle-free carry-on compliance with TSA approval. The expandable design and locking safety zippers provide secure and comfortable transport for small cats and dogs.
Using this carrier feels effortless thanks to its smooth-rolling wheels and suitcase-style handle, taking the strain off your shoulders. The mesh ventilation on five sides keeps pets comfortable and visible, giving you peace of mind during travel. The removable wheel base lets you switch between rolling and carrying modes easily, adapting to your travel needs.
Key Travel Benefits
- Fits airline under-seat dimensions for Delta, American, and United Airlines
- Four 360° rotating wheels for smooth rolling on uneven surfaces
- Removable wheel base converts carrier into a shoulder or handbag
- Mesh ventilation on five sides for airflow and pet visibility
- Locking safety zippers and built-in adjustable collar buckle for secure pet containment
- Durable frame prevents sagging and maintains shape during use
Considerations Before Buying
- Only suitable for small pets under 15″ length and 10″ height
- Wheel base must be removed to fit under the airplane seat
- Not designed for larger pets or extended travel beyond airline use
My Practical Take
This carrier is ideal if you frequently fly with small cats or dogs and want a carrier that meets airline size rules without compromising pet safety. It removes the guesswork about whether your carrier is approved, saving stress at check-in. To get the best experience, measure your pet carefully and ensure they fit comfortably inside the carrier’s inner dimensions.
Its wheeled design takes the strain off your arms and shoulders, which is a welcome convenience during busy travel days. The secure zippers and ventilation help keep your pet calm and safe, giving you confidence that they are well cared for during the journey.
| Best for | Why |
|---|---|
| Small dogs and cats under 12 lbs | Fits airline under-seat size requirements and keeps pets secure |
| Travelers flying Delta, American, or United Airlines | Carrier is TSA and airline approved for these specific airlines |
| Pet owners needing easy mobility | Wheels and suitcase handle reduce carrying effort over long distances |
| Users wanting multi-mode carrying options | Wheel base is removable for switching between rolling and shoulder carry |
Ruff Life 101 Expandable Pet Carrier
This Best Airline Approved Pet Carrier With Wheels offers easy travel with expandable space and smooth rolling for your dog or cat.
The Ruff Life 101 Expandable Pet Carrier is designed for dogs and cats, making travel simpler and more comfortable. It fits under airline seats and expands on both sides to give your pet extra room to relax, solving the common problem of cramped pet carriers during flights or car rides.
Using this carrier feels smooth and hassle-free thanks to its rolling wheels and retractable handle. You can easily switch between rolling the carrier and carrying it as a soft-sided bag, making it practical for different travel situations.
Key Benefits for Traveling Pets
- Fits under most airline seats to meet travel rules
- Expandable sides give pets more space to move
- Quiet, smooth 360-degree rolling wheels reduce bumps
- Breathable mesh sides and roof ventilation prevent overheating
- Durable wire frame keeps shape when expanded
- Adjustable strap and handle for easy suitcase attachment
- Soft lining ensures pet comfort during trips
Considerations Before Buying
- Weight of 6.5 pounds may be heavier than some soft carriers
- Expandable design may increase overall size when packed
- Check airline policies to confirm carrier size compliance
Who This Carrier Works For
This carrier suits pet owners who need a reliable and roomy option for airline travel and want to reduce pet stress. It removes the guesswork about fitting under seats while providing a smooth rolling experience that saves your energy during trips.
To get the best results, confirm your airline’s size rules before flying and use the expandable sides only when space allows. Its sturdy frame and ventilation give peace of mind for your pet’s safety and comfort throughout your journey.
| Best for | Why |
|---|---|
| Frequent Flyers | Fits under airline seats and meets major carriers’ requirements |
| Pets Needing Extra Space | Expandable sides offer room to move and reduce stress |
| Travelers Seeking Ease | Wheels and retractable handle make transport effortless |
| Owners Concerned About Airflow | Mesh sides and roof ventilation keep pets cool and comfortable |
Ruff Life 101 Expandable Pet Carrier
This Best Airline Approved Pet Carrier With Wheels offers extra space and smooth mobility for stress-free pet travel.
The RUFF LIFE 101 Expandable Pet Carrier is designed for easy air travel with dogs and cats, fitting under most airline seats and expanding for added comfort. Its two-sided expansion and breathable mesh keep pets calm and comfortable during trips.
Using this carrier feels convenient and effortless thanks to the smooth-rolling wheels and retractable handle, which make moving through airports or streets hassle-free. The sturdy build and spacious interior provide reassurance and ease when transporting your pet.
Key Benefits for Traveling Pets
- Fits under airline seats, meeting major carrier requirements
- Expandable sides provide extra room for pet comfort
- 360° rotating wheels enable smooth, quiet movement
- Breathable mesh panels ensure fresh air circulation
- Detachable bag for versatile use as a regular carrier
- Durable handle and frame prevent sagging and breakage
Considerations Before Buying
- Weight of 6.2 pounds may be heavier than some soft carriers
- Size is large but still limited to under-seat dimensions
- Check specific airline rules as fit may vary
Who This Works Well For
This carrier suits pet owners who frequently travel by air and want a reliable, comfortable solution that reduces pet stress during transit. It removes the hassle of carrying heavy bags by hand, thanks to its rolling design.
For best results, confirm your airline’s size restrictions before purchase to ensure a smooth boarding experience. The stable construction and breathable design provide peace of mind that your pet stays safe and relaxed throughout the journey.
| Best for | Why |
|---|---|
| Frequent air travelers with pets | Fits under most airline seats and rolls easily through airports |
| Pets needing extra space | Two-sided expansion offers room to stretch and move comfortably |
| Owners valuing durability | Strong wire frame and heavy-duty handle prevent sagging and damage |
| Travelers wanting easy mobility | 360-degree wheels and retractable handle simplify transport |
Cozy Cruiser Airline Pet Carrier
This Best Airline Approved Pet Carrier With Wheels offers extra space and smooth mobility for stress-free pet travel.
The Cozy Cruiser Airline Pet Carrier is a soft-sided carrier designed for easy and safe pet transport, especially for air travel. It fits under most airline seats and features a pop-up top for extra headroom, helping pets stay comfortable during flights.
Using this carrier means less lifting strain thanks to its wheels and retractable handle, plus the bag can be detached for use without wheels. This combination of portability and expandability makes travel with your pet more manageable and less stressful.
Key Advantages for Pet Travelers
- Meets airline size requirements for cabin under-seat storage.
- Wheels and retractable handle provide smooth, quiet rolling mobility.
- Expandable pop-up top adds extra space for pet comfort.
- Sturdy wire frame prevents sagging when expanded.
- Removable plush bedding enhances pet coziness.
- Extra large pocket stores toys, treats, and essentials.
- Lightweight, durable nylon material ensures long-lasting use.
Considerations Before Buying
- Carrier weighs 6 pounds, which may be heavier than some soft carriers.
- Designed for pets small enough to fit under airline seats; larger pets won’t fit.
- Wheels add convenience but increase overall size when traveling without expanding.
When This Carrier Works Best
This carrier is ideal for pet owners who frequently fly and want a reliable, airline-compliant carrier that minimizes lifting and offers extra space for their pet. It removes the hassle of awkward carrying by combining wheels with a soft, expandable design.
To get the best use, check your airline’s specific size rules and use the pop-up top to give your pet room to move during longer trips. This design brings peace of mind with its sturdy frame and thoughtful features, reducing surprises in travel.
| Best for | Why |
|---|---|
| Frequent Flyers with Small Pets | Fits under most airline seats and includes wheels for easy maneuvering. |
| Owners Needing Expandable Space | Pop-up top allows pets extra headroom without sacrificing compliance. |
| Travelers Seeking Convenience | Removable bag and retractable handle simplify switching between wheeled and carried modes. |
| Pet Comfort Focused Buyers | Plush bedding and sturdy frame ensure a comfortable, stable ride. |
Cozy Cruiser Expanding Pet Carrier
This Best Airline Approved Pet Carrier With Wheels offers extra space and smooth mobility for hassle-free pet travel.
The Cozy Cruiser Expanding Pet Carrier is a soft-sided, airline approved carrier designed to fit under most airline seats for easy air travel with pets. Its expanding pop-up top adds extra headspace, letting pets move more comfortably during the journey.
Using this carrier feels effortless thanks to its wheels and retractable handle, which provide smooth, quiet rolling in all directions. Detaching the bag from the wheel platform lets you use it as a traditional carrier, adding versatility for different travel needs.
Key Benefits for Traveling Pets
- Fits under airline cabin seats for stress-free flying with pets.
- Expandable top offers more space without sacrificing portability.
- Wheels and retractable handle make transport smooth and easy.
- Strong wire frame prevents sagging when expanded.
- Includes removable plush bedding for pet comfort.
- Extra-large pocket stores essentials like toys and treats.
- Lightweight, durable nylon material ensures lasting use.
Considerations Before Buying
- Designed for small pets due to size limits (18x11x11 inches).
- Carrier weighs 6 pounds, which may feel heavy when carried without wheels.
- Check airline-specific rules as approval can vary.
Who Will Appreciate This Carrier
This carrier is ideal for pet owners who often fly and want an easy, reliable way to bring small pets onboard without stress. It removes the guesswork of fitting airline requirements while adding comfort for pets during travel.
To get the most out of this carrier, detach it from the wheels when indoors or carrying, making it lighter and more flexible. Knowing your pet rides safely with a stable frame gives peace of mind during every trip.
| Best for | Why |
|---|---|
| Small dogs and cats | Fits airline cabin size limits comfortably with expandable space |
| Frequent flyers | Wheels and retractable handle ease airport navigation |
| Pets needing extra headroom | Pop-up top allows more movement during travel |
| Owners wanting organized storage | Extra large pocket stores pet essentials conveniently |
Petskd Airline Pet Carrier With Wheels
This is the Best Airline Approved Pet Carrier With Wheels designed for small cats and dogs, perfect for air travel with major airlines like JetBlue and Spirit.
The Petskd Airline Pet Carrier with Wheels is a soft-sided carrier made for small pets, especially cats and dogs under 10 pounds. It fits easily under airplane seats for approved airlines and includes locking zippers and anti-scratch mesh for safety and comfort.
Using this carrier feels convenient and smooth because of its suitcase-style handle and 360° rotating wheels. You can roll it comfortably through airports or detach the wheels to carry it as a shoulder bag, making travel less stressful for both pet and owner.
Features That Make Travel Easy
- Fits under-seat airline dimensions for JetBlue, Allegiant, Spirit, and others
- Four 360° rotating wheels for smooth movement on various surfaces
- Removable wheel base allows use as shoulder or handbag
- Mesh ventilation on five sides provides airflow and visibility
- Locking zippers and built-in adjustable leash buckle enhance pet safety
- Durable soft-sided structure prevents sagging or collapse
Considerations Before Buying
- Suitable only for small pets under 14″ long and 8″ high
- Wheels must be removed to fit under airline seats
- Weight of carrier is about 2.8 pounds, which adds to total load
Who This Carrier Is Best For
This carrier is ideal for travelers flying frequently with small cats or dogs who need a reliable, airline-approved option. It reduces the hassle of carrying pets through airports by allowing easy rolling and multiple carry modes.
To get the best use, measure your pet carefully to ensure it fits inside the recommended size. This helps avoid surprises at the gate and keeps your pet comfortable during the flight.
With its sturdy design and safety features, this carrier offers peace of mind when traveling, knowing your pet is secure and ventilated without extra stress.
| Best for | Why |
|---|---|
| Small cats and dogs under 10 lbs | Fits airline under-seat size requirements and keeps pets comfortable |
| Frequent air travelers | Wheels and suitcase handle ease transport through airports |
| Owners needing secure ventilation | Mesh on five sides allows airflow and visibility for pets |
| Travelers using JetBlue, Allegiant, Spirit Airlines | Carrier is TSA approved and designed to meet these airlines’ policies |
Cozy Cruiser Top-expanding Pet Carrier
This Best Airline Approved Pet Carrier With Wheels offers extra space and smooth mobility for stress-free travel with your pet.
The Cozy Cruiser Top-Expanding Pet Carrier is designed for safe and easy travel with dogs and cats, fitting under most airline seats to ease your journey. Its expanding pop-up top provides extra headroom so your pet can stay comfortable during flights or trips.
Using this carrier feels convenient and reliable thanks to its smooth rolling wheels and retractable handle, reducing strain on your arms. The detachable bag option adds versatility, letting you switch between rolling and carrying modes effortlessly.
Key Benefits for Travel Comfort
- Fits under airline seats for hassle-free boarding
- Expandable top adds extra space without compromising size limits
- 360-degree rotating wheels provide quiet, smooth movement
- Detachable bag allows use as a regular carrier or rolling carrier
- Thick wire frame prevents sagging when expanded
- Includes removable plush bedding for pet comfort
- Extra large pocket for storing pet essentials
Considerations Before Buying
- Size may not fit all airline seat dimensions—verify airline policies first
- Designed for smaller pets due to overall dimensions (18x11x11 inches)
- Wheels and handle add weight compared to simple soft carriers
When This Carrier Works Best
This carrier is ideal for pet owners who travel frequently by plane and want a reliable, airline-approved solution that reduces physical effort. It removes the guesswork about fitting under seats and keeps pets comfortable with extra headroom.
To get the best experience, double-check your airline’s pet carrier size rules before booking. You’ll appreciate the smooth rolling wheels during airport navigation, which adds peace of mind for both you and your pet.
For those who value convenience and pet comfort, the Cozy Cruiser carrier strikes a smart balance of functionality and ease.
| Best for | Why |
|---|---|
| Airline travelers with small pets | Fits under most front cabin seats and meets airline size rules |
| Owners needing easy mobility | 360-degree wheels and retractable handle reduce carrying strain |
| Pets that need extra headroom | Expandable pop-up top gives more space for movement |
| Travelers wanting versatile carriers | Detachable bag converts between rolling and standard carrier modes |
A4pet Airline Pet Carrier With Wheels
This is the Best Airline Approved Pet Carrier With Wheels designed for hassle-free travel with small pets under airline seats.
The A4Pet Airline Pet Carrier with Wheels is a soft-sided carrier designed specifically to fit under most airline seats, supporting pets up to 15 pounds. It helps solve the challenge of traveling with small pets by offering a lightweight yet sturdy frame that meets major airlines’ size requirements.
Using this carrier feels practical and smooth thanks to its removable wheels and retractable handle, which make navigating airports easier. The reversible cushion ensures your pet stays comfortable in any season, giving you confidence in a hassle-free travel experience.
Key Features for Traveling Pets
- Compact size fits under airline seats on major U.S. and international flights
- Removable all-terrain wheels and retractable handle ease airport navigation
- Reversible cushion with breathable summer side and warm plush winter side
- Built-in safety leash secures pets inside the carrier
- Sturdy frame resists chewing and supports pets up to 15 lbs
- Patented reverse-zipper prevents accidental carrier collapse
- Lightweight design simplifies carrying or pulling through crowded terminals
Considerations Before Buying
- Small size limits use to cats and small dogs under 15 pounds
- Expandable space requires manual collapsing for storage under seats
- Soft-sided construction may not offer as much structure as hard carriers
Who This Carrier Works Well For
This carrier is ideal for pet owners who frequently fly with small cats or dogs and want an airline-approved carrier with wheels for easier transport. It removes much of the stress around fitting pet carriers under seats and managing them through airports.
To get the best experience, confirm your airline’s specific under-seat size rules before flying. The secure leash and durable frame provide peace of mind that your pet stays safe and comfortable throughout your journey.
For anyone who values convenience and comfort without sacrificing airline compliance, this carrier offers a reliable travel companion for you and your pet.
| Best for | Why |
|---|---|
| Flying with small cats or dogs | Meets under-seat size requirements for major airlines and supports up to 15 lbs |
| Travelers wanting easy mobility | Features removable wheels and a retractable handle for airport convenience |
| Seasonal comfort needs | Includes reversible cushion for both summer breathability and winter warmth |
| Owners needing secure pet containment | Built-in safety leash and sturdy frame prevent escapes and damage |
Dbest Smart Cart Pet Carrier
The dbest Smart Cart Pet Carrier is a top choice for anyone seeking the Best Airline Approved Pet Carrier With Wheels that eases travel with small pets.
The dbest Smart Cart Pet Carrier is a soft-sided carrier with wheels and a telescoping handle designed for convenient travel with cats and small dogs. It is airline approved and fits under most airline seats, addressing the hassle of carrying pets during flights. The carrier’s mesh ventilation provides airflow while keeping pets comfortable on longer journeys.
Using this carrier takes the strain out of travel by allowing you to roll your pet instead of carrying them. Its collapsible design helps save space when not in use, and the large size supports pets up to 24 pounds. This combination of portability and comfort makes airport navigation and travel less stressful for both pet and owner.
Key Benefits for Traveling Pets
- Easy rolling design reduces the burden of carrying pets.
- TSA approved for under-seat airline travel.
- Mesh windows provide good airflow and visibility.
- Soft lining ensures pet comfort during longer trips.
- Large size fits pets up to 24 pounds comfortably.
- Collapsible for compact storage when not in use.
- Telescoping handle offers easy maneuverability.
Considerations Before Buying
- Large size might be bulky for very small pets or tight spaces.
- Weight capacity supports pets up to 24 pounds only.
- No included extra pockets for accessories or treats.
Who This Carrier Works For
This carrier is ideal for pet owners who frequently travel by air with small dogs or cats and want an easy-to-roll, airline-approved option. It removes the hassle of carrying heavy carriers and helps navigate airports with less effort. For best results, ensure your pet meets the size and weight limits, and collapse the carrier when storing it after use.
The design offers peace of mind by meeting TSA requirements and providing a comfortable environment for pets, reducing surprises during travel. Its simple, practical style suits anyone prioritizing convenience and portability over extra features.
| Best for | Why |
|---|---|
| Small dogs and cats up to 24 lbs | Fits comfortably and supports pets within size limits for most airlines |
| Airline travelers | TSA approved and fits under most airplane seats |
| Owners needing easy transport | Wheels and telescoping handle reduce carrying strain |
| Those with limited storage space | Collapsible design allows for compact storage when not in use |
Rolling Pet Carrier With Wheels
This Best Airline Approved Pet Carrier With Wheels offers a lightweight, flexible design ideal for hassle-free travel with your dog or cat.
This soft-sided pet carrier is designed for easy travel with pets, fitting comfortably under airline seats thanks to its flexible frame. It solves the common problem of bulky carriers by gently compressing in tight spaces while maintaining its shape after use.
Using this carrier feels smooth and effortless, especially with the six removable wheels and telescopic handle that make navigating airports simple. It saves time and reduces stress by allowing you to roll your pet along rather than carry them.
Key Features for Travel Convenience
- Lightweight and easy to carry with soft-sided structure
- Flexible frame compresses to fit under seats and bounces back
- Includes six removable wheels for smooth rolling
- Double telescopic handle enhances maneuverability
- Designed specifically for airline approval to ease travel
Considerations Before Buying
- Soft-sided design may offer less rigid protection compared to hard cases
- No built-in storage compartments for pet accessories
- Wheels need to be removed for some airline requirements
Who This Carrier Works For
This carrier is best suited for pet owners who travel frequently by air and need a flexible, lightweight option that fits under seats without hassle. It removes the guesswork of airline size restrictions and the physical strain of carrying your pet by hand.
To get the most from it, keep the wheels attached while navigating terminals and remove them when placing the carrier under the seat. This approach offers peace of mind knowing your pet is secure and your travel is smooth.
| Best for | Why |
|---|---|
| Airline travelers with small to medium pets | Flexible frame fits under seats and complies with airline rules |
| Pet owners seeking easy mobility | Removable wheels and telescopic handle simplify transport |
| Those needing lightweight, soft-sided carriers | Soft materials reduce weight and adapt to tight spaces |
Key Considerations When Choosing A Soft-sided Pet Carrier
Size and Airline Compatibility
Confirm your pet’s dimensions and weight before selecting a carrier. Most soft-sided carriers are designed for small pets under 15 pounds and must fit under the airline seat. Check your airline’s specific under-seat size limits, as carriers vary slightly in length, width, and height.
Portability Features
Consider carriers with wheels and retractable handles for easier transport, especially if you travel frequently. Removable wheels and handles add versatility, allowing you to switch between rolling and carrying modes.
Ventilation and Visibility
Look for carriers with mesh panels on multiple sides for good airflow and to let your pet see outside. This helps reduce anxiety by keeping your pet comfortable and engaged.
Durability and Safety
Choose carriers with sturdy frames that maintain shape and resist sagging. Safety features like locking zippers and built-in leash attachments help prevent escapes during travel.
Common Buyer Concerns
Will the Carrier Fit Under the Airline Seat?
Dimensions vary by carrier and airline. Always verify the carrier’s measurements against your airline’s under-seat space requirements to avoid issues at the gate.
Is the Carrier Comfortable for My Pet?
Look for padded interiors and the option to expand carrier space. Expandable sides or tops provide extra room for your pet to move or rest more comfortably.
Are Wheels Reliable and Easy to Use?
High-quality wheels with 360-degree rotation make rolling smoother on different surfaces. Removable wheels add convenience but check that the wheel attachment is secure.
How Easy Is It to Carry When Not Using Wheels?
Carriers that convert to shoulder or handbag styles offer flexibility. Consider the weight and handle design to ensure comfortable carrying when wheels aren’t used.
Usage And Maintenance Tips
Preparing Your Pet for Travel
Introduce the carrier at home to allow your pet to get used to it. Place familiar blankets or toys inside to create a calm environment.
Cleaning and Care
Choose carriers with removable and washable bedding. Use gentle cleaning methods for mesh and fabric to maintain ventilation and durability.
Handling Expandable Features
Follow manufacturer instructions for expanding or collapsing tops and sides to avoid damage. Ensure zippers and snaps are fully secured before use.
Frequently Asked Questions
Can I use these carriers for pets larger than 15 pounds?
Most soft-sided airline-approved carriers are designed for small pets under 15 pounds. For larger pets, consider hard-sided carriers or approved crates that meet airline requirements.
Are these carriers suitable for pets with joint or mobility issues?
Expandable carriers that offer extra room can help pets with mobility concerns move more comfortably. However, always consult your vet for travel advice specific to your pet’s condition.
Do the wheels work well on all surfaces?
Quality wheels with 360-degree rotation perform best on smooth surfaces like airport floors. Rough terrain may affect smoothness, so consider carrying your pet in those cases.
Can I bring these carriers as carry-on luggage?
Yes, these carriers are designed to fit under airplane seats and generally qualify as carry-on items. Verify with your airline for specific carry-on policies.
Is assembly or setup required for these carriers?
Most soft-sided carriers arrive ready to use. Some models have removable wheels or expandable tops that require simple setup before travel.
Final Thoughts
Choosing the right soft-sided pet carrier involves balancing size, comfort, and ease of transport. Understanding your pet’s needs and airline requirements can help reduce travel stress for both you and your pet. Prioritizing ventilation, safety, and portability ensures a practical and comfortable travel experience without unnecessary complications.