Scotch Box Lock Packaging Tape sticks instantly to any box! It has the power of extreme grip to ensure boxes stay securely sealed, even during rough handling. Its new advanced adhesive creates a secure seal over box edges, & its thickness & durability reduces splitting & tearing & makes it easier to find the start of the roll. This tape can be used to seal any type of box, including harder-to-stick to 100% recycled boxes. Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: Yes; Adhesive Material: Hot Melt Synthetic Rubber.