High-quality material: the pet backpack is made of EVA, which is scratch and bite resistant and will not be easily damaged. 382745 cm is suitable for pets weighing up to 5 kg. Foldable design, easy to store, will not take up too much space. The size after folding is 382710 cm..Transparent window design: The transparent window design on the front of the cat backpack is very eye-catching. Cats like to pay close attention to their surroundings. The clear window provides a wide view and light transmission for your pet, enabling your cat to see everything and bring more fun to the trip..Comfortable and breathable: the air permeability holes on the front and both sides of the pet backpack are designed to promote air circulation and make your pet more comfortable. The zipper design on the side makes it easy for pets to get in and out of the backpack and to interact with them. The backpack's sturdy frame is stable and not easily deformed, and can maintain a good shape..Ergonomic design: multi-layer honeycomb elastic back pad at the back of the backpack can reduce the area with the body, promote air circulation, anti-decompression and anti-impact, which can release pressure for you during long trips. The shoulder straps are wider and more comfortable, ergonomically designed to achieve scientific load reduction.