AdTech's Permanent Micro Dot Glue Runner is acid-free and safe to use on photos. The permanent adhesive bonds instantly to paper, ribbon, foam, plastic, wood and many other materials, making it ideal for scrapbooking, photo albums, gift wrapping and a host of crafting projects. The standout feature of this glue runner, however, is that the Micro Dot adhesive goes on repositionable, but sets permanent - allowing the user to fix mistakes, change locations, or remove materials cleanly. It comes pre-loaded with adhesive dots, which dispense easily and smoothly to the end of the roll. Details: 0.31" x 8.75yd. (8mm x 8m) roll size 4 dispensers Acid-free, nontoxic and photo safe No mess and no drying time - bonds instantly Goes on repositionable but sets permanent Sturdy applicator accepts refill cassettes (sold separately)