【Multiple Sizes and Colors】- Available in 3 sizes, please measure your pet's size and weight before purchasing to choose the suitable pet backpack. Available in grey, pink, blue, black and stripes. 【Upgraded Bottom】- We taken the customers' view about the bottom into consideration and had upgraded it with more sturdy firm bottom, which can keep the cat backpack's shape when your cat in. 【Collapsible and Expandable】- The large cat backpack carrier with an expandable back that gives your pet more room to move around and reduces their anxiety. Collapsible design helps you to save space when not in use. 【Breathable and Visible】- The around tear-resistant breathable mesh makes the pet carrier backpack more ventilated and convenient for you to see your pet inside. Top of the dog backpack can be opened to allow your cat/dog to stick its head out. 【Travel Friendly】- The pet backpack carrier is designed with breathable back panel, padded adjustable shoulder straps and chest buckle for traveling, hiking, walking and outdoor activity. Great travel carrier backpack for large cats and small dogs up to 25 lbs. 【Premium and Functional】- Made of quality polyester, this expandable cat carrier backpack is sturdy and safe for your pets. 2 side pockets to store pet supplies, and a built-in safety leash to prevent your pet from running away. Lekereise Blue Expandable Cat Backpack Carrier for Small and Medium Dogs and Cats Up to 25 Lbs

Features:
Multiple mesh windows designs provide good ventilation.
The expandable cat backpack gives your pet more space to move around.
Padded back panel, ergonomic shoulder straps and adjustable chest strap, making it a good travel backpack for cats.
3 openings for pet go in out easily.
Side pockets can store small items.
The soft mats included is detachable and can be hand washed.
NOTE:
Please measure the size and weight of your pet before purchasing.