The most important things at a glance: To protect sensitive nipples during breastfeeding. Optimised shape for more skin contact. Secure hold in any breastfeeding position. Made from wafer-thin silicone. 4 drinking openings for a natural drinking sensation. The nipple shields in size M from NUK protect sensitive nipples during breastfeeding. They are made of supple and ultra-thin silicone. Thanks to their special shape, they offer a secure hold in any breastfeeding position and there is direct skin contact between you and your baby's nose, so your child can still smell and feel your skin. The nipple shields can be used for short-term use, e.g. for inflamed nipples or flat and inverted nipples. You also receive a practical protective box for hygienic storage and easy transport.