VELCRO® Brand For Fabrics is an easy to apply peel and stick fastener that provides a permanent bond to fabrics with no sewing, gluing or ironing required. The sticky back is not only easy to apply, but it provides a strong fabric bond that withstands warm and cold water washings time and time again. Be sure to let the adhesive set for 24 hours to obtain full strength before washing. These durable closures are designed for repeated use and can act as button, snaps, or zipper closures. They are ideal for easy sewing fixes for hems, shoulder pads, collars, sleeves, wardrobe gaps, personalizing fabrics with embellishments, accessorizing, and attaching patches. Plus, As a DIY fabric adhesive, these fasteners can also be used for arts and crafts, Halloween costumes and decorations, home crafting projects, for playtime and dress up, and so much more. The strong adhesive back adheres to light fabrics like cotton, polyester, poly blends, and nylon. VELCRO® Brand For Fabrics Sticky Back fasteners are available in a variety of colors, sizes, and shapes to suit all fastening needs. Details: White 6" x 4" (15.2cm x 10.1cm) each1 rectangle fastener EASY PEEL AND STICK ADHESIVE: For easy fabric alterations and hemming, this sticky back adhesive cloth tape provides a permanent bond to most fabrics; no sewing, gluing, or ironing required CUT, PRESS AND SET: Simple to use cut-to-length tape, just peel off the protective backing and firmly press against the fabric, allow adhesive bond to set for 24 hours to achieve full strength PERMANENT BOND: A strong sticky back fastener provides a permanent bond to mend curtains or hem pants, dresses, or jeans; ideal for costumes, personalizing fabrics with embellishments, arts and crafts, adding closures like snaps…the uses are endless COMPATIBLE WITH MANY SURFACES: Designed for use on cottons, polyester, poly blends, and nylon; this fabric tape is not for use on soft plastics or flexible vinyl WITHSTANDS LAUNDERING: Created for long lasting use, simply wash in cold water (not recommended to launder in hot water)