The Dogit portable water dispenser consists of a drinking tray and pet bottle. Simply fill the bottle with fresh water, screw it onto the dispenser cap attached to the tray, pull open the cap, squeeze the bottle to fill the tray and hold it to allow your pooch to drink. The dispenser comes with a belt clip for easy, hands-free carrying. Easy and convenient way to give water to your dog. Ideal for playtime, walks, hikes, camping, travelling in the car and the beach. Lightweight so it is easy to cary and can be clipped onto a belt for hands-free carrying. BPA free plastic. Pet Bottle: 500ml (16.9oz.).