polyester Package Include: 12 assorted colors flat elastic bands for dress skirt waistband wig bands, 50mm wide, 1m per color, 12m (13 yards) in total. Premium Material: The colorful elastic bands are made of polyester, flexible, stretchy, soft, durable and no fading, comfortable and durable to use. Various Colors: Variety of 12 colors, these elastics hair ties are in bright and beautiful colors, providing you elections to match your outfit, 12 pieces are enough for your spare or replacement. Easy to Use: With good stretching, by scissors you can shorten the elastic band into the length you want and the cut part is very neat, the line will not come out, convenient to use. Wide Usage: Can be used for edges of Waist Bands, Shorts, Skirt, Maternity wear, clothes making or changing size of clothes, also great for DIY projects making and so on.