This product which is waterproof, breathable and has good elasticity is made of medical PU film and absorbent pad. It can maintain respiration with the skin, thus could maximum creat a constant temperature, humidity and aseptic healing environment for newborn baby's navel. Help healing the broken navel as well as reducing the probability of ulcer or infection caused by bathing or swimming. It's widely applied in hospital delivery room and newborn baby family. It could also be used as wound dressing for adults.