[DURABLE & COMFORTABLE] 1000D Nylon Fabric and sturdy stitching, heavy duty, waterproof and comfortable material, dries fast. Protect your dog in comfort while hiking, canoeing, camping, and training. [ADJUSTABLE & WELL FIT] Each strap is adjustable. Please adjust every strap until it is comfortably fitted with your dog. Then it can hold up a whole day even when you having one all day's fun.