Check the listing for details. 2Pcs Poultry Water Drinking Cups Chicken Hen Plastic Automatic Drinker Feeder. Condition: New. Listed at 6.99 USD. FAST FREE SHIPPING FROM USA Description Packing Quantity: Pack of 2 (Blue color to Red Color) chicken, pigeon, or other birds water cups.Made of advanced materials and assembled to ensure the durability of the product.Fully automatic - The glass has a yellow trigger that will attract chickens to peck it. The way it work is that when the chickens peck the Yellow trigger, the valve automatically releases water into the orange plastic cup to provide them with water.The big advantage is that these cups have no leak - the cup will not release water until the bird pecks the Yellow trigger and only releases enough water for the bird to drink. Specification:Material: PlasticSize: about 9mm X 30mm X 45mmMain Color: Red OR BlueQuantity: 2pack