1. Nipple specially designed to feed orphaned lambs. He is similar in shape to mom Ewe 2. Floating valves allow airflow, eliminating lambs filling with air and bottle collapsing 3. Easily screws onto most bottles, such as sprite bottle, coke bottle, 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 Please clean the and cut a small hole on the top of the before using it. Only the above package content, other products are not included. Note: Light reflection 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.