Karlash Self Seal Sterilization Pouch keeps tools and equipment sterilized until the next use. Sterilizes medical, dental, and salon tools and supplies. Items placed inside are safely secured from bacteria and germs. Easy to use, self adhesive, no need extra sealing machine. Medical grade paper, fully meets medical standards. One side is transparent, you can clearly see the contents of the package. The another side features film with high temperature and good tear strength.