2 Bowls: This product includes two bowls, including a plastic bowl that can be fixed on the cage and a stainless steel bowl inside. You can easily remove this stainless steel bowl and put it back in the plastic bowl without detaching this product, it makes it much easier to use. One bowl is for distributing water and another bowl is for distributing food. Hanging Bowl: This hanging bowl adopts wave hanging system, so it can be fixed firmly in the cage and not easily move. In addition, this bowl does not take up much space. So your cute pet can enjoy more space to have fun. Stainless Steel Bowl: This product made by thick stainless steel can withstand falling and biting well. Different to plastic and ceramic, stainless steel can avoid the buildup of bacteria and odors. How to Install this product: Unscrew the white nut of the hanging pet bowl, then place the plastic screw in the space between the two iron wires of the pet cage, finally tighten the white nut.This product is made by the eco-friendly PP material and high quality stainless steel. It is reliable and healthy to serve your dog, cat, rabbit, bird and etc.