Description: 【Easy Installation】Easy to install and operate, used for calf sheep automatic feeding machine or feeding barrel replacement. Can be used for all kinds of sheep lamb calf milk feeding buckets 【Rubber Material】Our calf milk nipple treat with base is made of rubber, which is soft, and bite resistant, and has a longer service life. Food grade rubber, non harm, odorless, easy to clean, healthy and hygienic. 【Reduce Waste Hygiene】The principle of design is , the calf suck then the milk flows out, calf leave it will stop, backflow prevention, no waste on milk, and reduce waste and dust into. 【Imitation Nipple Design】This rubber pacifier for feed orphaned lamb adopts teat design, so that the calf can feel the pleasure of sucking milks in the mother. 【Help Digestion】This rubber goat feeder teat can have the following features: speed sucking helps to produce a large amount of saliva and help digestion. Specification: Material: Rubber Size Chart: 8cm/3.15inch Package Includes: 1 Piece Rubber Livestock Nipple 1 Base Note: Please allow slightly errors due to manual measurement and different monitors.