1. Nipple specially designed to feed orphaned lambs. He is similar in shape to mom Ewe 2. Floating valves allow , eliminating lambs filling with air and collapsing 3. screws onto most bottles, such as , coke , etc. 4. It is also suitable for feeding small, and other babies. Name: mammalian silicone nipple Internal thread: 26mm (3/4 inch) Colour: Yellow + Red Material: Silicone + PP Size: 5.8x3 cm Package Contents: 10 * Animal Feeders clean the and cut a small hole on the top of the using it. Only 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.