Medela SoftShells Inverted Nipple Kit, Silicone, Washable, 80220, 2 Pack help solve some of the most common problems faced by breastfeeding women - nipple soreness, engorgement and flat or inverted nipples. SoftShells are comfortable to wear while alleviating these conditions. Flexible silicone backs apply a firm but gentle touch to sensitive breast tissue. Low-profile design gives the bustline a natural appearance. Protects nipples from further irritation. Superior comfort with soft, flexible backs. More flattering appearance under clothes than other shells. Includes:2 shells, 2 backs, 4 washable foam inserts (additional refills sold separately), and instructions sheet.