Scotch® Commercial-Grade Shipping and Packaging Tape is designed for commercial performance. This tape combines strong, hot-melt adhesive and a sturdy backing to seal out moisture, dust and dirt. Resists splitting and ensures reliable closures. Bulk Value Pack—Stock up and save! Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: Yes; Adhesive Material: Hot Melt Synthetic Rubber.