Black Long Lasting Elastic Bungee Cord Rope Shock Cord Specification:  Pristine, certified stun rope. Two part development with an incredibly extreme woven polypropylene or polyethylene external sheath covering a solid characteristic elastic latex core.  The string is light-weight, solid, wear-safe and enduring. Fit for extending under burden to about double it’s untensioned length.  High strength at break Good UV obstruction