Ditch the sterilizer and say goodbye to messy leaks! The Similac Twiston Nipple is a game-changer for busy parents. This single-hole nipple, designed for infants, boasts a convenient twist-on design that works with most standard bottles. Each pre-packaged nipple and ring arrives ready to use, eliminating the need for cleaning before feeding. Plus, the leak-proof design ensures a stress-free experience for both you and your little one. Simply twist on the nipple, fill the bottle with formula, and enjoy a smooth feeding session. Remember, Similac Twiston Nipples are disposable, so toss them after each use for easy cleanup.