TheraShells – Come with both a smaller back and a larger back however don’t come with the foam insert.These breast shells are made with a soft, flexible silicone back to mold to your body. The cupped part provides structure but just enough to be fairly discreet when using. They also have a vented top to allow your air to circulate on your nipple and prevent soreness.These breast shells are highly recommended for mums in the early days of breastfeeding. You nipples will often be sensitive and are more likely to become engorged as you milk supply establishes. They are not intended to collect milk so if you have an abundant milk supply or leak heavily they may not be the solution for you Features & BenefitsFor sore, flat/inverted nipples: Economical shells - 2 solutions in oneLarge opening backs: Helps soothe sore nipples and protect from further irritation Small opening backs: Helps with flat/inverted nipples Low profile design: Natural appearance under clothesWhat’s Included2 - shells2 - flat/inverted nipple shell backs2 - sore nipple/engorgement backs