The Haakaa Silicone Nipple Shields are an effective tool for helping mothers who are having latch on issues related to a premature or ill infant, flat or inverted nipples, tongue tie, an overactive let-down or simply just getting used to the whole breast feeding action. Features: For latch on difficulties or flat and inverted nipples to help mum's continue breastfeeding BPA and BPS Free Unique shape and super thin silicone allows for more skin contact between mum and baby. Also warms with mum's body temperature for a natural feel Ultra-thin, super-soft, flexible 100% food grade silicone Includes two shields and a protective case Related Products: Check out the Haakaa Silicone Breast Pump 100/150ml for another Haakaa essential! FAQ Q: How do I clean the Haakaa Silicone Nipple Shields? A: Wash before initial use. Recommend to hand wash in warm soapy water, rinse thoroughly and dry. Clean after each use. Can be boiled or steam sterilized. Store in clean and dry place, avoid direct sunlight.