Pure new materials, non-toxic, odorless long life cycle; water bowl can save 30% of water.Chicken nipple drinker, automatic drinking cup hanging.Easy to use, safe and very convenient.The best designed to raise chickens.Used for home and commercial chicken poultry farms.They drink from the cup and let the amount of water enter the cupName: Hanging Chicken drinkers with double Cup and nippleMaterial: PlasticApplicable pipe size the outside diameter of 2.0cm/2.5cm