Overview 1. Scalable design, this pet back frame has an expandable back design that gives your pet more rest and air circulation, making your pet move more comfortably and reducing anxiety. 2. Extremely convenient for everyday use and travel 3. Made of premium material, durable, breathable, and comfortable 4. The safest, most comfortable, easy, and most fun dog carrier on the market 5. Do anything, anywhere with your dog Specification Product name: medium dog backpack Softness: moderate to soft Material：600D Oxford cloth Maximum load: M recommended 12-18 kg, L recommended 18-28 kg Backpack size: 23*12*49 M, 27*14*55 L Package Content 1 x Pet Backpack