DIMENSIONS & STRUCTURE: 16.93in*7in*11.5in. The backpack carrier comes with a zipper mesh(11.5in* 9.45in). A cotton pad was attached in the bottom of the pet bag. On the side of the dog cat clear backpack is a pocket that can be used to hold a water cup or a mobile phone. WON'T RIP EASILY: Stitching process of the top handle & shoulder strap & the back is different from traditional process which sewn on the PVC plastic. We sewed them on a nylon fabric to make the carry system more durable. Shoulder strap joint use "bartack program" is more sturdy. CLEAR & DURABLE: This bag is clear, durable, lightweight, softer and water-resistant. Transparent backpack is easy to let pets see the outside world, or show your cute pets to others BREATHABLE & SAFETY: Round metal vents which on the back of the backpack carrier and a mesh with zipper can offer pets a comfortable and breathable space. A safety collar buckle is attached on the inside of the backpack. SUITABLE PET SIZE: The pet carrier backpack is 10.63"L x 5.91"W x 16.93"H, which fit for dogs and rabbits less than 18LB and cats under 18LB, also suitable for small pets such as hamsters. Color：Grey Pink Blue Black Size:XS( Newborn pets within 0.2kg/0.44LB) S( For pets to 3kg/6.6lb) L( For pets to 8kg/18lb). PACKAGE INCLUDED 1XPet Carrier Backpack