Scotch Adhesive Dot Roller offers an innovative way to apply permanent adhesive. Neater than glue, the dot roller delivers clean, precise placement for straight or curved applications. Double-sided adhesive dots on a liner dispense easily and smoothly to the end of the roll. Hinged cover protects the tape. Adhesive dots are acid-free and safe for color photos. Ideal for making charts, presentations, and other home, office, and school projects. Refill cartridge makes it fast and easy to refill with no threading.