This elastic has an improved quality over other brands that can be visually seen and experienced! Your basic traditional elastic lightweight & thinner than woven. Slightly ribbed. Narrows when stretched. Insert into casings or stitch directly to fabric for waistbands leg openings, sleeve edges & necklines. Size 1/8in (3.1mm). 4 yard package. 4 packages per box. Purchase by the box. First Available June 2010.