The water bottle is made of plastic and metal, including a iron wire, which can be hung or tied. It is not to leak and allows you to easily monitor your pet’s liquid intake. It is also good for observing the cleanliness of the water. The stainless steel also offers protection again gnawing hamsters. The capacity graduation printed on the bottle indicates the correct level for filling. Features - - Material: Plastic, metal. - Bottle length: 13cm, diameter: 4cm. - Capacity :125ml. - Great pet drinking hanging water bottles for your favorite rabbits, hamsters. - Instructions for use: 1. When the water filled bottle, check the seal is intact, and the toothed side facing the bottle tighten. 2. Please firmly tighten the , and then the bottle upright. 3. Just filled with water, due to the air inside the bottle by the impact, there will droplets from the tube drops out, then play the a few finger under clear, let off excess water from the fluid in the in order to on the bottle, if does not leak. It can be used normally. Package list: 2 * 125ml Pet Drinking Hanging Water Bottles Dispenser for Rabbits Hamsters and Other Small Pets (Random Color)