[PP material] the three-way fittings made of PP soft plastic material. It is very strong and durable, and it is not easy to be damaged by chickens during use. [Chicken Automatic Waterer] The chicken waterer cups has a yellow trigger that will attract chickens to peck it, When chickens peck the yellow trigger, the chicken waterer valve automatically releases water into the plastic cup. Provides clean water to chickens, and doesn't waste water. [Simple and Effective to Reduce Leakage] The waterer cups will not release water before the chicken pecks the yellow trigger, Thread system + silicone gasket can minimize leakage due to improper drilling. [Easy to install and clean] This chicken drinker is divided into yellow and red parts. The two parts can be cleaned separately and are easy to install. Regular cleaning can ensure that the chicken drinker will not be blocked. [Sufficient Quantity] the package provides you 6 pieces chicken watering cups. Enough for you to use and replace in daily life, or you can prepare them as backup.