A superior heavy weight bead cord for micro macrame, bead crochet, bead stringing and kumihimo. C-Lon Tex 400 Bead Cord is the strongest of the 3-ply twisted bonded nylon cord. And can be used with size 6/0 seed beads and larger. This cord is made in the USA. The bobbin measures 2.5cm x 3.8cm and contains approximately 39 yards (36m) of cord.