【EXCELLENT VERTICAL SPACE DESIGN】Imagine lying in a closed space where you can't even raise your head for hours, can you imagine how frustrating it would be? A small amount of headroom on 2 sides can cause a lot of stress on your pet. AutumnStory pet carrier is created with an ergonomic comfort design. There is plenty of headroom when unfolded. This will lead to stress relief as well as spine and joint protection for both dogs and cats. 【AIRLINE APPROVED】With the TSA airline approved design, AutumnStory cat carrier measures 17.71"L x 10.63"W x 11.42"H while folded, It fits pets up to 20 lbs (9 kg), which has enough space for pets to stand or turn around. Note: It is approved by most airlines, but please do not take it on Southwest Airlines or Alaska Airlines. If you are not sure, please contact the airline you're traveling with to confirm the approved size carrier for your flight specifically. 【NO COLLAPSE OR DEFORM GUARANTEED】This puppy carrier is made of 600D oxford material and waterproof coating. The high-quality mesh windows can effectively keep your pet safe and prevent the bag from claw dam. A strong elastic frame of metal and firm board base prevents the bottom from sagging, it keeping solid and stable even after total expanded.