Dr. Brown's Nipple Shields 2 Pack With Sterilizer Case - Size 2 (White)Nipple Shields for Breastfeeding Combat breastfeeding difficulties such as flat or inverted nipples, overactive letdown, and nipple soreness with Nipple Shields. These shields are crafted from ultra thin, soft 100% silicone for a more natural experience. Features Additional holes ensure the shield's anatomical correctness, reducing the risk of milk pooling. The included sterilizing case is clinically proven to eliminate 99. 9% of bacteria, mold, and