Now even the heaviest packages can withstand rough handling. Scotch® 3850 Heavy-Duty Recycled Packaging Tape holds strong on all box types, even hard-to-stick-to 100% recycled boxes. The strong, tough, solvent-free hot melt adhesive along with its split and tear resistant backing locks in your heavy-duty contents and locks out everything else. It's even guaranteed to stay sealed! And you don't need layers of tape to get the job done, just one strip at a time, minimizing waste while helping you save time. With Scotch® 3850 Heavy-Duty Recycled Packaging Tape, your heavy packages can bear the weight and stay sealed through it all. Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: No; Adhesive Material: Hot Melt Synthetic Rubber.