Adjustable Velcro straps make it easy to carry on the journey. Suitable for standard car cup holders. It can hold up to 20 ounces of 500 milliliters of fresh water. Does not contain bpa. The food is safe and does not leak water. The bowl has a special valve that never wastes water. Squeeze the bottle to let the water flow into the bowl, then loosen it to let the water return to the bottle. Never waste a drop of water so that your pet can travel longer. Package includes: 1 X pet water bottle product Type: Dog feeding and watering supplies