Lansinoh® Contact Nipple Shields with Case helps moms with latch-on challenges. Ultra-thin, super-soft, flexible 100% silicone. Includes protective case Made of 100% silicone BPA and BPS-free Provides a short-term solution for latch-on issues related to: Flat or inverted nipples Tongue or lip tie Overactive let-down Cut-out design provides maximum skin-to-skin contact