Lixit Wide Mouth Water Bottle 16oz WB16 Durable, thick-wall bottle. Weather Resistant Polyethylene. Stainless steel, double ball-point tube. Special silicon seal, for no leaking. Easy to fill, easy to clean. For hamsters, mice, rats, gerbils, birds, and other animals. Special 1/2 gallon bottle for rabbits. Plastic Bottle Heavy Duty Ideal for a Variety of Pets