The Valterra Doggy Saddle Bag is waterproof and fully adjustable with extra padding that allows your dog to comfortably carry supplies while still feeling cool. The doggy saddle bag comes with a complimentary 18 ounce water bottle and can carry food, water, disposable bags, toys, and more. It has four zippered pockets, one mesh pocket, and a water bottle compartment for organization. A reflective strip on the saddle bag allows for better visibility in the dark so you can locate your pet at night. The Valterra Doggy Saddle Bag is available in both small and large sizes.