2 Styles Elastic Band: Comes with 2 rolls 20mm wide non-slip elastic band in white include 1 roll 5 yards long rubber stretch ribbon with double wavy silicone and 1 roll 5m long silicone elastic tape with single wave shaped silicone enough to meet your different daily need Quality Material: Made of high quality polyester and silicone stretchy would not deform or break easily. Hard to curl fray or pill great for sewing work and home use Wave Silicone Design: The flat elastic band designed with single strip and double strips wavy silicone on surface which not only increases the aesthetics but also improves the anti-slip effect. Elasticr band with silicone strips can effectively prevent it from slipping off the surface of clothing skin or other materials Easy to Use: The elastic band can be easily cut to the size you need. You can sew it on various clothing surfaces or stick down with fabric glue(glue not included) Wide Applications: Good for both normal clothes and Sportswear great for home and outdoor vacation sewing needs. Suitable for underwear bras bikini knee brace bib shorts bike riding shorts cycling shorts cuffs of skiwear making headbands waistbands etc