When chickens peck the red trigger, the chicken waterer automatically releases water into the plastic bowl. Provides clean water to chickens, and doesn't waste water. These chicken drinking cups are molded from heavy, durable PP material. Widely used for chickens, pigeons, birds, quail and other pets. Feature - Color: Red. - Material: PP. - Size: About 21 x 21 x 14 cm. - It is easy and safe to use, very convenient. - For home and commerce chicken poultry farms use. - They drink from the cup, which allows the right amount of water to come into the cup. - Used for chickens, pigeons, birds, quail and other pets. - A great chicken drinker for home. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand