and high qualityThis cup is a great way to provide water, on demand to your birds.Filled automatically when birds at the built in plunger.Drinker cup is a breeze to clean,just disconnect cup.Can be used to expand an existing watering system, or can beattached to a bucket or a container of your choose to create a gravity fed water system.Feature:Automatic, Built to last,Farm Products,Convenient,Best cheickenColour:RedMaterial:plasticSize:Approximately full length: 8cm, diameter: 4.8cm, height: 3.8cmPackage Contents:120 * Poultry drinking cup120 * black screwOnly the above package content, other products are not included.Note: Light 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.