S-Lon Heavy Bead Cord, Sea Color (Green and Blue) Mixture, 0.9mm Diameter 4 Spools S-lon (Tex 400) heavy weight beading cord Each spool is 35 yards. 4 spool mixture of sea (blue and green) colors Diameter: 0.9mm Bonded, 3-ply, twisted multi-filament cord, similar in size to Griffin #10