Size: about 1mm in diameter; Quantity: about 20m each bundle, 1 bundle each color, 20 bundles, about 400m/ 430yards totally. Nylon Beading Cord: Made of nylon, with sufficient rigidity, wear and comfort; smooth surface, nice to be able to melt the ends to have a clean finish. 20 Colors: Blue, gray, red, black, hot pink, yellow, cerise, green, gold, orange red - offer you more color choice for your DIY craft projects, highlighting your unique personality. DIY Craft: Great for beading, macrame knotting, Kumihimo jewelry making, costume and garment making, tassels,crafting, wrapping, beading, Chinese knot making, wind chime making, and even handmade sign making. Wide Application: Suitable for many different purposes such as home decor, renovation, quilting, corded binding, sewing, knotting, tying, wrapping, camping, beading and DIY projects such as wind chime making.