Scotch Heavy Duty Shipping Packaging Tape is extra strong for package protection to withstand rough handling. Ideal for shipping and package sealing. Superior Clarity in a hot melt adhesive. Resists splitting & tearing. Meets standard US Postal requirements for standard packages.Scotch Heavy Duty Shipping Packing Tape provides excellent holding power for your packaging and shipping needs. This 3.0-mil thick (typical) box sealing tape holds strong on all box types, including harder-to-stick 100% recycled boxes, and is guaranteed to stay sealed (1). Designed with industrial-strength, solvent-free adhesive, this tape locks in the heavy-duty contents of your boxes and locks out everything else, even through rough handling conditions. Scotch Heavy Duty Shipping Packing Tape features instant adhesion and resists slivering, splitting and tearing to keep your moving boxes closed. Whether you're shipping heavy items, moving across the country or packing away seasonal decorations, this adhesive tape is equipped to keep your boxes sealed with just one strip on each seam. Each roll of box tape features a release coating to make unwinding easy. (1) If your box does not stay sealed, 3M will refund the purchase price of this tape. Proof of purchase required. Contact: 1-800-3MHELPS