Size Reference: Including 2 colors, white and black, 1 roll per color; Each roll is 2" (50mm) in width, 5.5 yards in length, 11 Yards in Total Material: Made from 40% Polyester and 60% Rubber, shortened into the length you want, each roll has a pin to fix the elastic band, convenient to apply Good Elasticity: The elastic band can easily restore the original length without deformation in the range of allowable tensile Soft to Use: The elastic band is made with good craftsmanship, soft and breathable in the surface, tightly weaving makes it not easy to get loose Wide Usage: Can be used for edges of Waist Bands, Shorts, Skirt, Maternity wear, Kids clothes making or changing size of clothes; Also great for DIY projects making and so on