Living World All Purpose Bottle with Hanger The Living World All Purpose Bottle with Hanger features a closed water feeding system that helps keep contaminants out and a space-saving design that attaches to the outside of your pet's cage. It is made of easy-to-clean, durable plastic with a wire holder and stainless steel ball spout, and installs vertically for convenient access. The Living World All Purpose Bottle with Hanger's leak-proof spout delivers clean water. It's suitable for rabbits, puppies and other small animals. 32 oz (800 ml).