Material: PP Holds 18 oz water Easily fits in car holder Squeeze and operate with one hand Release the squeeze and the extra water drains back into the mug Removable strap, easily attaches to a backpack or can be used as a handle How many times did you have water all over your clothes or hands after your dog was done drinking water? Well, we are proud to say that the portable dog water bottle offers a solution to this problem. Once you squeeze the water bottle, water fills the attached bowl. And once you let go of the bottle, the water returns in the container. With the bottle, you can have maximum convenience while keeping both yourself and your pup clean and dry. One-hand Watering,taking into account the owner's using convenience and safety of dogs drinking ever sweet water anytime!