You can't use fusible without some sort of non-stick barrier between your iron and the fusible - or if you do, you'll only make that messy and nasty mistake once. Enter the Giant Sheet fiberglass pressing sheet for ironing over all fusibles, metallic prints, Angelina fibers...and any other crafty uses you can think of. Totally nonstick and easy to clean up. 11.9" x 18" makes it big enough for most projects and a good size to maneuver about.