2" x 2000 yds. Clear 3M - 371 Carton Sealing Tape. Super strong pressure sensitive polypropylene tape for economical, repetitive volume packaging. Industrial grade packaging tape. Perfect tape for box sealing, splicing and other packaging needs. Features a conformable backing and consistent adhesive system. Reliable performance in a range of environments and applications. Tensile strength 22 pounds per inch of width. Case of 4.