Neogen Ideal Teats, 2 Pack, Red, Screw-On Nipples for Lambs and Kids For Use When Nursing Lambs Made Of Soft, Red Latex, Which Closely Resemble The Ewes Teat Screw Easily Onto Any Standard Soda Bottle Threading On The Cap Prevents Leakage While Special Flutter Valve Prevents Air Intake Tip Of Nipple Can Be Cut Off To Increase Milk Flow