Features: ✔ High quality stainless steel, PP free, FDA and BPA free, non-toxic, durable. ✔ Designed to prevent pet from knocking over food or water. ✔ This is a double bowl that includes a plastic outer bowl and a stainless steel liner. You don’t need to ‘remove the whole bowls, you can remove the stainless steel liner to wash or fill it. ✔ Cross-lock design can be attached to dog, cat, ferret and other cages for animals. ✔ Suitable for most pets, such as dogs, cats, rabbits, birds, puppies, etc. Installation: 1.Loosen the white nut of the pet bowl 2.Put the plastic screw in the gap 3.Between two iron wires of the cage of your dog, squeeze Package content: 1* plastic bowl 1* stainless steel bowl 1* plastic nuts