Scotch ® Box Sealing Tape 311 is an industrial performance packing tape that is suitable for light weight industrial applications. The polypropylene film backing is easy to handle and resists abrasion, moisture and scuffing. The consistent and reliable backing easily conforms around edges and on rough surfaces for a tight seal. Scotch ® Box Sealing Tape 311 is a 2.05 mil (52 micron) industrial performance polypropylene film tape with pressure sensitive acrylic adhesive that offers reliability in light weight industrial applications. It is specifically designed to withstand cold temperature applications and for easy handling and smooth dispensing by hand.