Trust your most important tasks toScotch? Magic? Tape, the preferred choice in offices and schools for over 50 years. Tape completely disappears when used on most paper types, making it easy to read, scan or copy critical documents. Reliable adhesive securely seals envelopes. Accepts pencil and ink marks. Tape Type: Invisible; Width: 3/4"; Size: 3/4" x 1000"; Core Size: 1".