Benefits of Using Steam-A-Seam: Repositionable stick Bond is strong & permanent Leave edges unfinished – will not fray or lift Will not gum up your needle Machine wash and dry (See Product Care) So Easy to Use Use Steam-A-Seam 2 with different materials & projects: Appliqué No-Sew hems & seams Add or repair zippers, pockets, etc. Apply lace, ribbon & embellishments Durable enough to use with paper, cardboard, wood, glass, etc! Product Care Machine wash & dry finished projects without fabric softeners or dry clean. You may leave edges unfinished, but if you choose to sew through, make sure that the Steam-A-Seam 2 is fully fused with a steam iron – 30+ sec and let set before sewing. When laundering, avoid using fabric softener. Fabric softener chemicals erode the fusible web over time.