Use Scotch s strongest packaging tape so even the heaviest packages can withstand rough handing. It holds strong on all box types including 100 percent recycled boxes. It s even guaranteed to stay sealed. The strong tough solvent-free hot melt adhesive locks in your heavy duty contents and locks out everything else. You don t need layers of tape to get the job done - just one strip at a time so you save time. Tape meets U.S. Postal Regulations for standard packages. Scotch Heavy-Duty Shipping/Packaging Tape Clear 3 / Pack (Quantity)