Feature:1. Automatic Water Outlet Design: Chicken waterers with automatic water outlet design, can automatically appear according to the amount of water in the bowl, water full of self stop, easy to use.2. Simple Installation: Chicken water cups are easy to install, with 9mm/0.35in holes punched in the bucket, just install the water bowl and screw on the screw to fix it.3. Easy to Clean: Chicken waterers can be easily connected to buckets, quadrate pipes and other water lines, easy to clean.4. Widely Used: Poultry watering feeder cups are suitable for chickens, ducks, pigeons and other poultry.5. Safe Material: Chicken waterers are made of premium plastic, safe, non toxic, odorless and durable.Specification:Item Type: Water CupsMaterial: PlasticSize:Bowl Diameter: Approx. 6cm/2.4inBowl Depth: Approx. 3cm/1.2inAperture: Approx. 9 mm/0.35inSize 1: Approx. 3cm/1.2inSize 2: Approx. 1.9 cm/0.7inSize 3: Approx. 2.8 cm/1.1inUse: Poultry Automatic Drinking BowlSuitable for chickens, ducks, pigeons and other poultry.Package List:10 x Water Cups10 x NutsNote:Please allow for some errors in manual measurements.