This imitation sinew is flat and waxed 100% polypropylene with a 70-pound test strength. It is about 1/8" wide and can easily be split like real sinew into four pieces. It is ideal for craft projects such as stitching hides, jewelry, crafts, basket weaving, dream catchers, and more. The rolls weigh approximately 1.3 oz. There are no export controls for this item.