【Multiple use】 It can be attached to the cage and used. This is one of the main methods of use. Since the bowl stand and the bowl are separate, there are other uses. You can use it right away. You can use it on cats. Feed rabbits, parrots and other small animals. 【Keep area clean】 Hanging design prevents more food and water from being taken out of the bowls from spilling and slipping compared to a standard bowl on the floor of the animal cellar. 【Two bird bowls in different sizes】 The dimensions are 12 * 5cm and 10 * 4.5cm. Different sizes can only match the functions of food and drink. You can use a smaller bowl to drain the water, which may encourage you to change the water more often. Or it can be used to hold pet snacks etc. Two sizes to meet your different needs. 【Easy to use】 what you need to do is fix the iron plate and the bowl holder to the cage with special screws. You can tighten them directly by hand without using any tools. Then place the bowl on a special bowl stand.