【Doggy Backpack 2.0】22.0"-31.50"/56cm-80cm (neck), 20.47"-27.56"/52cm-70cm (belly), 13.38"-16.92"/34-43cm (back); Net weight: 13.76oz/390g; 2 adjustable straps fits for medium dog 【Dog Backpacks for Dogs to Wear】Two 2L main zipper side compartments with semi-open pockets for carrying dog food holder, water, snacks, wast disposal bags, etc. 【NOTE for Dog Hiking Pack】 The handle is not used for lifting up your dog; Dog expert: For most dogs, 10% to 12% of their body weight is a good starting point. This would be 5 to 6 pounds for a 50 pound dog, or 2.5 to 3.0 kilos for a 25 kilogram dog, for example. Of course, the right amount depends on a number of factors, such as your dog's breed, physical fitness, and energy level. 【Multi-functional Dog Harness Backpack】Ideal for dog training, hiking, camping, long trail walks, backpacking trips, traveling or everyday use 【Dog Saddle Bag】High density cotton canvas provide a better holding for your beloved pet and do not hurt fur. Package Contents: 1 X Outdoors Dog Backpack