A handy helper for latch-on challenges. Lansinoh® Contact Nipple Shields help with short term latch-on issues related to preemies, small or ill babies, flat or inverted nipples, tongue tie, lip tie, or overactive let-down. Made with ultra-thin, super-soft, and flexible 100% silicone that molds to your breast for a more natural fit. Cut-out design allows more skin contact to encourage breastfeeding. All nipple shields should be used under the advisement of a breastfeeding professional.