Weather-resistant, ultraviolet-resistant polyethylene plastic makes this bottle ideal for outdoor use, but it works equally well indoors. Stainless steel ballpoint tube keeps your pet's water clean and housing dry. Extra-wide mouth accommodates ice cubes for keeping pet's water cool in hot weather. Includes metal hanger for attaching to wire hutch, fence or aquarium. Perfect for rabbits, guinea pigs, ferrets and other small animals and reptiles. 3-7/8 in L by 3-1/4 in W by 9-3/4 in H, holds 32 oz (1 qt).