✅ Editor’s Pick
✈️ Airline & Flight Travel
🧳 Under-Seat Carry-On
🌬️ Cabin Ventilation
✈️ 18×13.5×9 TSA Approved top and 1 Side Expandable pet Carrier for Small Dog Puppy cat up to 8 lbs Weight, for Spirit Southwest Airlines with Double Zipper Locks and 2 Pockets. — Airline-Approved Dog Carrier Review & Current Price
This flight-travel review focuses on what matters for cabin flights: under-seat compatibility, ventilation, secure closures,
comfort for longer boarding/layovers, and ease of carrying through airports.
🧭 How This Flight Carrier Was Evaluated
- 📏 Under-seat fit (dimensions, flexibility, structure)
- 🧾 Airline-policy alignment (size limits vary by airline/aircraft)
- 🌬️ Ventilation and airflow (mesh coverage)
- 🔒 Security (zippers, clip points, closure reliability)
- 🧳 Airport handling (carry comfort, stability while walking)
- 🧼 Cleaning (removable pad, wipeable materials)
Images ·
Flight Fit Check ·
Boarding & Layovers ·
Price ·
Overview ·
Pros & Cons ·
Final Assessment ·
FAQ
📸 Product Images





📏 Flight Fit Check (Under-Seat Compatibility)
- 🧾 Compare the carrier’s listed perceived dimensions with your airline’s under-seat requirements
- 🐕 Confirm your dog can turn and lie down comfortably inside the interior space
- 🧳 Soft-sided carriers typically compress better under the seat during flight
🛫 Boarding & Layovers (What Matters in Airports)
- 🧳 Carry comfort: strap/handles for longer terminal walks
- 🔒 Secure closures: reduces risk during security checks and crowded gates
- 🌬️ Ventilation: useful during boarding lines and delays
- 🧼 Easy cleanup: helpful for long travel days
💰 Current Amazon Price
Price & availability details

⚙️ Airline & Flight Travel Overview
🌟 Pros & Cons
- ✈️ Built around in-cabin flight needs
- 🌬️ Breathable mesh for airflow
- 🧳 Comfortable to carry through airports
- 🔒 Secure closures for travel environments (model dependent)
- 📏 Under-seat clearance varies by airline and aircraft
- 🐕 Fit depends on dog measurements and carrier interior space
📝 Product Details
Product description
How to Choose a carrier?
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Price
$64.99$64.99
$82.99$82.99
$49.99$49.99
$49.99$49.99
$55.99$55.99
$58.99$58.99
$49.99$49.99
airlines best match
southwest spirit
southwest spirit
southwest spirit air canada
delta american united
jetblue
allegiant frontier
southwest
other airlines also match
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spirit southwest
jetblue spirit southwest
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recommended weight
small pet up to 8 lbs
small pet up to 8 lbs
small pet up to 10 lbs
small pet up to 8-10 lbs
extra-small pet up to 6 lbs
extra-small pet up to 5 lbs
extra-small pet up to 6 lbs
recommended length
small pet up to 16 in
small pet up to 16 in
small pet up to 18 in
small pet up to 16 in
extra-small pet up to 16 in
extra-small pet up to 16 in
extra-small pet up to 17.5 in
style
top and 1 side expandable
top expandable,with wheels
top expandable
top and 1 side expandable
top and 1 side expandable
top expandable
right side expandable
For Spirit Southwest Canada Airlines(NOT FOR delta american united alaska) 
NOTICE: this carrier is not approved by delta american united alaska airlines.
Expandable Top And Side Provide More Space(for small pet<8 lbs,length < 17”) 
NOTICE:DO NOT BUY THIS if your pet is longer than 17 inches
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
1 Good Air Flowbility
2 2 Pockets For Stroage
3 Washable Soft Padding
4 Multi Loading Ways
5 Waterproof In Bottom
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
for small pet<8 lbs,length < 17”
1 Durable Nettings
2 Metal Hooks And Buckles
3 Double Zipper Lock
4 No Chemical Smells
Product Dimensions : 17 x 13.5 x 9 inches; 4.05 Pounds
Item model number : 171359TE
Date First Available : January 9, 2025
Manufacturer : Chengjian
ASIN : B0DSLT51GW
Best Sellers Rank: #24,214 in Pet Supplies (See Top 100 in Pet Supplies) #58 in Dog Soft-Sided Carriers
Customer Reviews: 4.7 4.7 out of 5 stars (268) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
↓↓【Something You Need To Read Before Purchase】→→ 1.【Designed for Spirit/Southwest airlines】size of carrier is 18(L) x 13.5(W) x 9(H),it can be putted under the seat in cabin,it conform to the requirement of some airlines like Southwest / Spirit, We suggest that contacting with airlines to confirm size before purchase. IT IS NOT APPROVED BY DELTA\UNITED AMERICAN airlines (longer and wider than 18 x 11 x 11) or ALASKA (longer and wider than 17x11x9.5).
2.【Expandable part provide more space for your pet】This carrier have a 3” height expandable top,you can fold it down to put carrier under seat in cabin and pull it up to giving more space for pet in other travel time.This carrier also have a accordion-style expandable part in side to providing more space in travel(like backseat in car/ airport when waiting for boarding/space underseat in cabin).Not like other similar products, expandable top in our product have a 5 sides meshes to provide better Air mobility and 360 degrees visual field for your pet.
3.Recommended size :【small dog length is shorter than 17”,weight is under 8 lbs(cat up to 10 lbs)】 5-8 lbs fit best,very roomy even too large for dog under 5 lbs, a little small for dog 8-10 lbs,too small for dog byond 10 lbs.Please measure your pet length firstly,length is more important than weight to judge a pet can be carried or not. Make sure your pet is shorter than 17”,width is less than 13″.DO NOT BUY THIS FOR adult medium / large dog or large cat to avoid wasting your money and time.
4.【Match your needs in travel】 2 metal frames in 2 sides to keep stable and prevent collapse,a hard wood padding to prevent bottom sinking. Double zipper lock,anti-scratch mesh and a tether in carrier to prevent pet escaping.Hooks and buckles are made of metal,not plastic.2 pockets with zippers for storage,soft padding in bottom is washable by hand.This carrier also have a good air-flowbility for your pet.
5.【Buy one,fly three airlines】This carrier match size requirement of three airlines(Spirit/ Southwest / air canada ),so you don’t need to buy another one for those airlines.This carrier also can be used for a short distance car travel,like a vet visit.
6.【1 year warranty policy】We provide a one-year warranty for the quality of our product.Included zippers uckleshooks abric.
【Pet Size For】1 small dog or medium cat. 【MAX Pet Length】17 inches. 【MAX Pet Weight】8 lbs for dogs,10 lbs for cats.Too big for pet < 5 lbs. 【Approved Airline】Southwest, spirit, air canada
🏁 Final Assessment
As an airline-approved dog carrier for airline & flight travel, this option is most appropriate for
owners seeking an under-seat, in-cabin carrier with ventilation and travel handling suited to airports, boarding lines, and flights.
Performance depends on matching the carrier’s dimensions to airline requirements and choosing the correct size for the dog.
- ✅ Best match: in-cabin pet travelers with small dogs
- ✅ Best use: flights, airports, and layovers
- ✅ Priority features: under-seat fit, airflow, secure closures
❓ FAQ: Airline & Flight Travel
Does “airline-approved” mean it fits every airline?
No. Under-seat dimensions and pet policies vary by airline and aircraft. Compatibility depends on carrier measurements and airline limits.
What matters most for in-cabin flights?
Under-seat fit, ventilation, secure closures, and carry comfort for airports and boarding lines.
How do I choose the right size for my dog?
Compare your dog’s length/height to the carrier’s interior dimensions listed on the retailer page.
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Prices and availability are subject to change.