This cup is a great way to provide your birds with fresh water when they need it. The cups are easy to clean, just unplug the cup. It can be used for extend an existing water supply, or it can be attached to a bucket or container of your choice to create a gravity water system. The best way to feed chickens. Poultry Drinking Cup 12pcs Self-Feed It can be used to extend an existing water supply or connect to a bucket or container of your choice to create a gravity water system. The best way to feed chickens . Material: Plastic Size: app.9cmx5.3cmx4cm 3.54''x2.09''x1.57'' Main Color: Red, as shown in the picture Package includes : 12 Breeding Cups Automatic Chicken and Poultry Waterer Garden Innovation with Watering Can Cup Cup Red Plastic Bowl Garden Chicken Flock Duck Bird Feeder Water Nipple Drinker Chicken Feeder Poultry Supplies Hen Spiral