3 Rolls 15Yds*20mm Elastic Bands: Package includes 3 rolls elastic bands 5 yards x 0.79 inch(4.57m x 2cm) 5 yards x 0.79 inch(4.57m x 2cm) 5.47 yards x 0.79 inch(5m x 2cm) 15.47 yards(14.14m) in total length Anti-Slip Design: Flat elastic band designed with middle silicone strip which can increase the decorative beauty and non-slip avoids it slip away from clothes skin and other surface Elastic Fibre Material: Made of high quality elastic fibre and silicone stretchy and breathable would not deform or break easily. Hard to curl fray or pill great for sewing work and home use Easy To Use: You can cut the non-slip elastic band to a suitable length as needed sew it with a needle or stick it on fabric with glue suitable for various clothing surfaces. Convenient rolls to restore after use can fixed the end with needle Wide Application: Good for both normal clothes and sportswear great for home and outdoor vacation sewing needs. Suitable for underwear bikini knee brace bib shorts bike riding shorts cycling shorts cuffs of skiwear etc