2 SIZES -- Coming with 2 rolls of elastic straps, total length is 33 yds. The one roll is about 11 yds long, 10mm wide, another roll is about 22 yds long, 6mm wide. HIGH STRETCH -- Made of premium elastic plastic material, with good elastucity, can serve for a long time. TRANSPARENT AND COMFORTABLE -- Elastic straps is simple clear color, which can match with many clothes. The thin soft strap cord is cpmfortable to touch, which can be applied as bra straps, shoulder straps. CONVENIENT TO USE -- They are packed in roll, you can cut into any length and wrap the rest cord around the spool, convenient to use and easy to store. WIDE APPLICATION -- Perfect for cloth sewing project like clothing, underwear, swimwear, sportswear, bedspreads, diapers, hats, etc.