Baling twine explained

Baling twine or baler twine is a small diameter sisal or synthetic twine used to bind a quantity of fibrous material (notably hay or straw) into a more compact and easily stacked form. Tensile strengths of single-ply baling twine range from 95psi to 325psi.^{[1] [2]}

Traditional sisal baler twine is naturally biodegradable.

Notes and References

1. Web site: Poly Bailer Twine, 20,000 Ft, 110 Lb Tensile Strength . 20 March 2014.
2. Web site: Polypropylene Twine . 20 March 2014 . Schermerhorn Bros. Co .