1.with chitin ion 2.Hypoallergenic and proper viscidity 3.Medical pressure-sensitive adhesive 1. The mesh structure of water thorn ... sweat,thus effectively reducing the wound infection.2. High quality medical pressure-sensitive adhesive ,proper Viscidity ,not hurt the skin when ... .4. Unique structure ,round of corner,firm stick,not warp. Medical ISO ,CE,FDA approved medical dressing with dressing pad