★ Pet Backpack Dimensions：13" L x 11.42" W x 16.73" H. Perfect for dogs up to 15-pounds, or cats up to 18-pounds. Easily fits cats, small dogs, and most other small/medium-sized pets! Please measure your pet before purchasing - LENGTH: neck to base of tail; HEIGHT: floor to top of shoulder. ★ Breathable & Perspective: Three sides were made of PVC mesh for the carriers. Well ventilated design for optimal airflow and checking on a pet ★Reduce shoulder weight: This cat carrier backpack comes with chest buckles which help to reduce the burden and keep the shoulder straps from slipping while the pet moving ★ Keep your pet comfortable: Removable cozy mat for easier cleaning and let your pet enjoy it inside. ★ Last Long Using and Easy Storage: Our premium pet carrier is quite scratch-resistant and sturdy for long-lasting use. You can also rest assured that it is strong enough to stand up to the scratches or gnawing of your pets.