Artificial Sinew Bobbin NEON YELLOW 20 yards (60 feet) Flat Waxed Polyester Thread. Perfect for Beading, Making Dream Catchers, Stitching Leather and many other uses requiring a strong thread.  Easily splits into 5 ends if you need thinner pieces. Gudebrod was the first to offer Artificial sinew in the world and we are proud to have been manufacturing it for over 65 years during our 150+ year history. "The Original, only from Buffalo, NY!"