PU waterproof material, caesarean section or after surgery to use the bath When buying, please look for the "Orangesunmall" store. Other stores sell products, not authentic. Waterproof effect, large size, easy to use, independent sterilization packaging. Covers and protects abrasions, cuts, minor burns, blisters, and post-surgical incisions, prevent infection. Latex free and hypoallergenic, Hypoallergenic adheisve mass avoids any skin irritation. Special island pad absorbs all blood and wound exudate and provide a soft cushion to the wound.The pad does not stick to the wound and hence the removal is painless.