Medela SoftShells Sore Nipple Kit, Silicone, Clear, 80210, 8 Piece Set are a lifesaver when you have sore or cracked nipples. They provide a barrier between the nipple and bra to prevent any painful rubbing or contact. The naturally rounded shape provides a flattering fit under clothing. The soft, flexible silicone backs allow the shell to snugly fit the contour of the breast. And the shells are vented in the front for air circulation. The highly absorbent foam inserts prevent leakage.