Pet carriercolor: redsize1:11.8x9.4x13 inches (30x24x33 cm)2: 14.1x12.2x17.7 inches (36x31x45 cm)Material: PET+environmentally friendly polyesterEasy to operate: easy to enter and exit, very convenient! There are zippers and hook-and-loop fasteners on both sides of the backpack, making it easy for pets to put on and take off.Breathable: Ample mesh area provides sufficient ventilation and keeps your pet cool.Comfort: The sturdy fabric with sponge padding ensures durability and provides comfort for you and your pet.Adjustable: The adjustable shoulder strap can help you balance the weight and make it more comfortable to wear. The neck elastic band can be adjusted according to the neck of the dog or catThoughtful design: fabric-covered elastic bands provide some flexibility and gentle support for pets. Suitable openings for legs and tail