The only one handed dog hydration system. The bowl has a special valve that never wastes water. Squeeze the bottle to allow the water to come up to the bowl then release to allow the water to go back into the bottle. Never wasting a drop of water so your pet can travel longer. Fresh water for your dog prevent health issues from public water bowls. The velcro strap becomes a handle for hiking or can attach to a pack. Made in California. BPA free. Patented.