Pesp&reg; Portable Nylon Camo Camouflage Day Trippers Pet Dog Backpack Snack Pack Cute Pet Bag for Dog Oxford fabric material, comfortable and durable All backpacks come with 2 zipper compartments, perfect for toys or treats. Bag capacity is very big, zipper design, easy open easy close. Take your dog on a walk or hike and make him do part of the work. Size Information: S: 14*16cm/5.5*6.3Inch Chest:35-48cm/13.7-18.9Inch, Suit for Pet Weight 2.5kg-5kg L: 18*20cm/7.0*7.8Inch Chest:45-56cm/17.7-22.0Inch, Suit for Pet Weight 5kg-9kg