Medelas Contact Nipple Shields can be an effective way to address breastfeeding through special situations like latching difficulties, overactive letdowns, flat or inverted nipples, and even soreness and irritation. These nipple shields for breastfeeding enable and promote continued nursing without interruption, as these problems are addressed and resolved.Contact Nipple Shields are also helpful to protect sensitive, dry or cracked nipples during breastfeeding. Uniquely designed to encourage closer contact with your baby, these Contact Nipple Shields are available in a range of sizes for effective feeding for your baby and your comfort. Made from transparent, ultra-thin, soft silicone, these are comfortable on sensitive skin. For Breastfeeding with Latch Difficulties, Flat or Inverted Nipples. 100% Medical Grade Silicone. BPA FreeFeaturesBREASTFEEDING SUPPORT: Medelas Contact Nipple Shields help address latching difficulties related to premature, small, or ill infants, inverted or flat nipples, lip tie, tongue tie or overactive letdownsHEALING AND PAIN RELIEF: Adds a protective layer, helping with pain relief and healing cracked, chaffed or sore nipplesSKIN-TO-SKIN CONTACT MAXIMIZATION: Shape maximises skin contact between you and your babyRANGE OF AVAILABLE SIZES: Its important to choose the proper size in order to fit both your babys mouth and your nipple. Medela Contact Nipple Shields is available in 3 sizes: Small (16mm), Medium (20mm) and Large (24mm)HYGIENIC AND EASY TO CLEAN: Includes a protective case for hygienic and convenient storage. Can be sterilized by boiling or steamingULTRA-THIN AND DURABLE: Made from transparent, ultra-thin, soft silicone thats comfortable on sensitive skin, and is safe and taste-free for your babyLOVED BY MOMS, RECOMMENDED BY DOCTORS: The world's leading brand in breastfeeding research. Medela has worked with researchers in breast milk for over 60 years, and is the #1 choice for hospitals and healthcare professionals around the world. Our multi-award winning breast pumps and accessories are used and LOVED by moms in over 100 countries.Battery Required: No