Natural Artificial Sinew is a flat waxed polyester thread. Perfect for beading, making dream catchers, stitching leather, native crafts, and many other uses requiring a strong thread. Sinew can be easily split into five thinner ends and has a breakpoint of 70 pounds. Details: Available in multiple colors 150 yd. (450 ft.) 4 oz. 70 lb. breakpoint Can be split into 5 thinner ends Waxed polyesterMade in the USA