Duck Max Strength Packing Tape offers premium quality for all of your heavy-duty shipping, moving and storage needs. Stronger and more durable than ordinary tapes, this packing tape is designed to seal even the heaviest boxes safely and securely to help prevent items inside from being damaged during delivery. This clear packing tape offers superior quality whether you're on the move or shipping boxes from the home or office. And, its tough adhesion makes it perfect for protecting and 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.