Prefect for smaller dogs, cats or small pets with a 3" bowl and 8oz water container. When your pet is thirsty, just unplug the bottle lay the Water Rover™ flat on the ground or in the car, and the water will automatically flow into the round bowl. When your pet is through drinking, tip the extra water back into the bottle, replace the plug, and clip the Water Rover™ back. A clip allows to carry it on your belt. Opening large enough to put ice cubes in the bottle.