Features: Durable and comfortable materials- Made from breathable mesh and polyester fiber, lightweight and Comfortablegreat for outdoor trips, sightseeing, camping hiking and etc Adjustable straps and interior drawstring- Adjustable padded straps help to reduce the burdens. extra waist strap with buckle keeps the backpack stable. Interior rope with clip can connect to your pet39;s collar/harness to prevents your pet from jumping out or hurt itself, keeping them more secure Padding panel and removable bottom cover- With EPE foam padded back and sides, reducing the burdens and offering more comfort to you and your pet, this rucksack/knapsack help your pet enjoy a nice nap/trip. The removable sturdy bottom cover makes it easier to replace/clean. Peep hole - A drawstring opening neck hole on the top of the backpack to keep your pet stick their head out, make them ventilated and visible, enjoy the entertainment with their host, adjustable hole string and soft mesh padded hole edge to ensure its security and comfort. Mesh pockets- Mesh side and front pockets help store leash, water, snacks, treats, and other necessities. Notice: 1. Due to the different monitor and light effect, the actual color maybe a slight different from the picture color. 2. Please allow 1-3cm differs due to manual measurement. Specification: Name: Pet backpack Weight: S-0.40kg, M-0.48kg, L-0.52kg Size: S-30*34*16cmW*H*T, M-36*45*21cmW*H*T, L-41*55*26cmW*H*T Material: Oxford cloth breathable mesh cloth Applicable pets: cat under 8kg, dogs under 6Kg Color: Black, green, blue, rose red, orange Package List: 1 x Pet backpack