This size (Tex210) is and extra-heavy #18 twisted nylon multi-filament; if you like Conso ad Mastex cords you will love theBeadSmith beading macrame cord in a huge variety of colors and excellent quality and pricing.
S-Lon bead cord is .5 mm 3-ply twisted, bonded multifilament nylon cord. Use for 6, 8, & 11/0 seed beads or other beads with at least a .8 mm hole. Use for kumihimo, macrame & stringing.
Each spool contains approximately 77 yards of cord.