Lot of 2 Black Foam yarn

Lot of 2 used spools 10 inches in height. Black in color Ideal for industrial sewing machine or serger. Spools are twice as tall as usual serger threads New spool cost upwards 30 dollars. These are vintage made in Canada by Cansew. There is at least 20000 yards of thread. I have used this for years on my serger. Very solid and good for Coton as well as stretch fabrics. Don't hesitate to contact me if you have any questions 🙂