Plastic for inserting with cardboard (cardboard printed with product patterns) by bringing the molded plastic To fold the side edge of the plastic into a groove on 3 sides for inserting paper. Products that use this type of packaging are Mechanic tools, stationery, tools, screwdrivers, pliers, adjustable wrenches (plastic and paper packaging can be stored for use in storing that tool next time) The plastic used will be PVC or A-PET.