The bird cups are fixed with the cages and can hang in the cages, which can be used to hold water and prevent your bird from accidentally tipping the water bowl. This bird water bottle bowl can be easily installed at any height on the cage and is very easy to adjust. This bird water dispenser is made of non-toxic and durable PP plastic, is non-toxic and safe, and does not hold bad odors or germs to keep pets safer when used. Compared to traditional water bottles and bowls, our bird water dispenser provides your pet with a more comfortable and hygienic drinking experience. 140 ml large capacity: no longer need to worry about your pet not having enough water to drink if you are not home all day. It ensures that your pets stay hydrated while you are away without making a mess in their cage. This pet bird automatic water dispenser adopts a gravity flow design and can control the amount of water to prevent overflow. The sealing design prevents water leakage and dust from entering. Compared with large water bowls, the water is not easily polluted. This bird drinker is suitable for medium- and small-sized parrots such as parakeets, conures, budgies, cockatiels, lovebirds, and more.