Automatic feature: our poultry drinking bowl is automatic design, the water can come out automatically according to the amount of water in the bowl, so you don't have to train your poultry how to drink water, convenient to use Reliable to use: these automatic filling waterers are made of quality material and stainless spring, durable and sturdy, no-leakage, safe to use, also not easy to break, you can use them for a long time Easy to install and clean: this watering cup is easy to use, can be connected with bucket, pipe conveniently, it's also simple to clean, the water control valve is inside, there is no blockage in the bowl, making it easier to clean The waterer kit includes 12 water cups and 12 waterer nipples.The cups are always half full with ready to drink water.The nipples are to be activated by chicken pecking to release and clean water. You can use either type of waterers or use both for your flock. Color: Red Material: plastic Package Contents: 12 x water cups 12 x waterer nipples 1 x hole saw(Random color, don't accept the specified color.) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.