3" x 1000 yds. Clear 3M - 373 Carton Sealing Tape. Super strong pressure sensitive polypropylene tape for economical, repetitive volume packaging. High performance packaging tape with high edge tear and split resistance. Achieves more single strip closures. Features a heavy-duty conformable backing and the most consistent adhesive system available. Adheres instantly to most surfaces including cartons containing high levels of recycled content. Tensile strength 30 pounds per inch of width. Case of 4.