Duck Max Strength Packing Tape offers premium quality for all of your heavy-duty shipping, moving & storage needs. Stronger & more durable than ordinary tapes, this packing tape is designed to seal even the heaviest boxes safely & securely to help prevent items inside from being damaged during delivery. This clear packing tape offers superior quality whether youre on the move or shipping boxes from the home or office. And, its tough adhesion makes it perfect for protecting & storing your belongings all year round. With Heavy-Duty Tape Gun. Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: Yes; Adhesive Material: Hot Melt Synthetic Rubber.