LilyPadz® are a patented, innovative nursing pad made of a comfortable, skin-like layer of 100% medical grade silicone. The exclusive design of LilyPadz® maintains gentle pressure on the nipple while in place and forms a non-absorbent barrier that actually prevents breast milk leakage. With LilyPadz®, milk actually remains in the breast. So no more inconvenient pad exchanges and both you and your clothes stay dry!