Chinese Knotting Beading Cord Black Approx 1mm 8 (25 yard Skeins) for Crafts and Knotted Jewelry Like Shamballa Bracelets 8 Bundles of 25 Yards Each for a total of 200 yards. Approximately 1mm in Diameter 8 (25 yard Skeins) In Total Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card