An ideal waterproof transparent patch that helps protect the wound and is virtually invisible on your skin. The patches are made of a thin, flexible, transparent polymer that is kind to the skin. Patch properties: waterproof, dirt-resistant, hypoallergenic, elastic, highly adhesive. The absorbent pad of the patch is highly absorbent, made of viscose. The top layer of the patch pad is treated with polypropylene to protect the wound.