S-Lon bead cord is a three-ply, twisted and bonded, multifilament nylon cord. Use for 6, 8 and 11/0 seed beads or other beads with at least an 0.8 mm hole. Ideal for use in projects involving kumihimo, macramé and stringing. Details:Available in multiple color mixes0.5 mm diameter10 yd. (9.1 m) string length12 packs (4 strings per pack, 48 total strings)NylonFor use with 6, 8 and 11/0 seed beads or other beads with at least an 0.8 mm hole