Medela’s Contact™ nipple shields make breastfeeding possible when latching on is difficult or painful by protecting sore nipples and helping your baby attach more easily. - Enable breastfeeding when latching on is difficult or painful or if you have flat or inverted nipples - Protect sensitive, dry or cracked nipples during breastfeeding - Made from transparent, ultra-thin, soft silicone that’s comfortable on sensitive skin - Safe and taste-free for your baby - Shape maximizes skin contact between you and your baby - BPA free