1、Drinker Cups are an innovative way to provide always-fresh water to your flock 2、Cups are filled automatically from your water source each time a bird/chicken drinks 3、Unlike traditional waterers, these are not prone to contamination 4、Watertight, Easy installation 5、Easy and safe to use, very convenient Features: 1. Drinker Cups are an innovative way to provide always-fresh water to your flock 2. Cups are filled automatically from your water source each time a bird/chicken drinks 3. Unlike traditional waterers, these are not prone to contamination 4. Watertight, Easy installation 5. Easy and safe to use, very convenient Specifications: Material: Plastic Color: As the picture show Pipe Diameter: Approx.25mm(L*W*H) Weight: 110g Quantity: 4pcs Notice: Please allow 1-3mm error due to manual measurement,Please make sure you do not mind before you bid. Package Included: 4pcs x Water Drinking Cups