Description: Pet travel bag with portable design makes you can take it apart very easily when you don't need it, just fold it up to avoid taking up more space, big or small, as you want. The ventilation mesh settings allow maximum accessibility and ventilation for your pet. Features: [Side Pockets]There are side bags for storage on the side of the backpack, one for waste bags dispensers, and the other for water bottle holders & small items. [High-quality]Made of lightweight and sturdy materials. Easier and lightweight to transport your pets no matter by car or air. [Clear Window]Pet travel bag with mesh windows adds more interaction to reduce Irritability and disturbed. [Useful]You can easily open a dog carrier with double zips, which makes it more convenient and safer to put your dog cat in or out. [Widely Applicable]This backpack is firmly structured, providing ample room for your pet to move around. Suitable for dogs, cats, hamsters, rabbits, and other animals. Specifications: Color: Blue & Black; Red & Black; Gray; Blue (Optional) Item Size: Small; Large (Optional) Material: Nylon, Mesh Cloth Style: Modern Application: Cat, Dog Occasion: Home, Outdoor, Travel Item Size: 32*30*25cm/12.59*11.81*9.84inch(S)(Use within 3Kg);45*36*30cm/17.71*14.17*11.81inch(L)(Use within 6Kg) Package Size: 36*30*10cm / 14.17*11.81*3.93inch Package Weight: 550g/1.21lb(S);660g/1.45lb(L) Package List: 1 * Pet Backpack