Round Crystal Elastic Stretch Thread, for Bracelets Gemstone Jewelry Making Beading Craft, ClearSize: about 0.6mm diameter, about 13.1 yards(12m)/roll.●This round thread is made of elastic TPU, which is sturdy for use and beautiful looking. ●The elastic cord is perfect for bracelet, necklace, bead weaving and other jewelry craft projects. Especially fit for using with seed beads, gemstone beads, glass beads and other beads for jewelry making.