This elastic has an improved quality over other brands that can be visually seen and experienced! Non-Roll resists rolling & twisting. Choose flat for light to medium weight fabrics. Insert into casings or stitch directly to fabric for waistbands on skirts pants and shorts. Size 1-1/2in (38.1mm). 10 yard bulk roll. 1 roll per box. Purchase by the box. First Available June 2010.