Function: Not only is this a handy bottle to carry water with you whilst hiking or walking, but it also acts as the dispenser and bowl for your dog to drink from! Sizes: Choose from a 300ml or 550ml capacity. Easy: Super simple to use! Just press the button to dispense water for your furry friend. Colours: Available in pink, green, and white. No Waste: Press the key again to put any leftover water back in the bottle! Dog Bowl: Get a 3-in-1 portable dog drinking water bottle.