Features:1. Silicone Material: This Feeding Milk Drinking for Sheep Goat is made of high-quality silicone and PP material which is soft and healthy durable and has a long service life.2. Good Stretchability and Toughness: This Feeding Milk Drinking for Sheep Goat has good stretchability and good toughness it is not deformed by pulling and it is easy to bite.3. Built-in Vent: This Feeding Milk Drinking for Sheep Goat has a built-in vent to prevent milk suffocation. The bottom is thickened and does not leak. Suitable for feeding small animals such as lambs cats dogs cows pigs sheep etc.4. Easy to Install and Clean: This Feeding Milk Drinking for Sheep Goat is easy to install and clean. Feeding is very convenient. The goat nursing nipple can be mounted onto PP and soft drink bottles so that can save the trouble of preparing special bottles.5. Feeding Orphaned Sheep: A Feeding Milk Drinking for Sheep Goat specially designed for feeding orphaned sheep. Easily screw on most bottles such as bottles cola bottles etc.Specification:Name: Animal PacifierSize: 3*5.8cm(1.18*2.28inch)How to use: It is not suitable for mineral water bottles with large diameters.Note: You need to cut a small opening on the tip of the nipple for use and there are steel balls in the air vent on the lidincludes:10psc * Pritchard Nipples