You place high value on efficiency & safety. This tape is strong enough & tough enough to endure the rigors of shipping & storage. Folded Edge Packing Tape, when used with the Folded Edge Tape Dispenser, creates a tab to peel away the tape with no sharp objects required. The tape comes printed "no knife needed", so the end user knows to grab the edge to open the box to keep the user & the inner contents of your carton safe & free of blades. Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: No; Adhesive Material: Hot Melt Synthetic Rubber.