100-yard bobbin of 12/6 or 12/9 Bockens Seine Twine.
Seine Twine is made from long-staple, very high quality cotton (it was originally used to make nets so it had to be strong) and is basically unbreakable.
12/6 Bockens Seine Twine will accommodate 5 to 16 ends per inch.
12/9 Bockens Seine Twine will accommodate 6 to 12 ends per inch.
Color: Unbleached or Black
Amount: 100 yards
Also available on a cone here.