Come and see our amazing products. The pet carrier backpack is made of sturdy, durable, lightweight polyester material, which is not easy to break and tear apart when your dog is playing.Safe and non-toxic,no need to worry about damage done by clawing or gnawing, ensure pet's comfort.This dog/cat backpack is ergonomically designed to reduce pressure on your shoulders and effectively increase the comfort level of human body.The entry of the backpack is very large and can be flipped at 180 degrees.It is very convenient for the pets to enter. Pls confirm further with us if any query about packing info, inventory status and time schedule.