Alkem Pet Dog Backpack Carrier Adjustable Saddlebags Harness Portable For Travel Outdoor Activity Convenient pockets for carrying food, water, and gear for you and your pet wherever you go. Stylish, Lightweight and Washable,Made of R/S PU/420D PU;The PU mesh in the middle is breathable and cooling, bring your loved dog comfortable feelings. Neck circumference is adjustable;The bag inner have sandwich air net, very comfortable. With light reflection stripe on the backpack,you can see your dog's activities on night.