Duck Brand Prism Crafting Tape: 1.88 in. x 15 ft.(Lots of Dots) Features a unique holographic / prismatic effect to add shine and dimension to projects. Used for scrapbooking, decorating and making shapes & letters. Carrier/Backing: metalized polyester Thickness: 3 mils (carrier, adhesive) 3 mils (liner) Release Liner: paper