H2O4K9 Dog Water Bottle and Travel Bowl, 25-Ounce. SAFE FOR YOUR DOG: the lid is BPA-free, the bottle is food grade stainless steel. DESIGNED FOR DOGS: The twist top travel lid was made to fit a dog's natural drinking style. DURABLE: the twist top lid has no hinge points that can break if the bottle is dropped. The 18/8 stainless steel bottles are made for rugged use. Generous 25-ounce bottle provides enough water to last during long walks, road trips, beach days, or anywhere you don't have access to safe water. Easy to use; the twist top lid is designed to fit a dogs natural drinking style and has no hinges or complex parts that can break or rust.