Plastic OPP is a type of plastic wrapper that is very clear and no adhesive so it is easy to open and close it. Make your products look attractive, durable food does not dry quickly and harden. There are two types of plastic OPP: - Plastic OPP glue or adhesive plastic or plastic OPP OPP seal. - Plastic OPP seating (Gusset) or OPP plastic stand puch.