[Portable and Easy] This Cat Dog Carrier features reinforced and wider straps to reduce strain and a chest buckle for extra support. [Expandable and Foldable] This dog backpack has a Oversized stretch back, which provides your pet with ample room to move and reduces anxiety. It can also be folded flat for easy storage [Recommended Size] Size: 302643cm, when unfolded: 522726cm, it easily fits most small pets or medium size weighing less than 8 kg, such as cats, small dogs, rabbits, etc. Suitable for traveling, visiting the vet or taking a walk in the park [Breathable and comfortable] 5 well-ventilated mesh windows provide plenty of air for dogs and cats and at the same time facilitate observation; 3 entrances (top, front and back) for easy entry and exit; 2 washable cushions for your pet's rest [Safe and assured use] cat backpack is made of high quality 300D polyester fiber and scratch-resistant mesh, with firm structure and stable base. Built-in safety rope prevents pets from running away. The team provides 30 days money back guarantee and 180 days quality issue warranty service.