THE BETTER BUNGEE? BBC18NBK 18″ BUNGEE CORD WITH OVER MOLDED NYLON ENDS – BLACK HEAVY DUTY STRAP MADE THAT WILL NOT BREAK OR DEGRADE UNDER THE HARSHEST OF ENVIRONMENTS TO INCLUDE; UV, OZONE, GASOLINE, DIESEL FUEL, OILS EVEN EXTREME TEMPERATURE VARIATIONS. MADE FROM A PROPRIETARY BLEND OF POLYURETHANE CALLED BETTER THANE, IS GUARANTEED FOR LIFE AND RECOMMENDED STRETCH IS 2 TIMES THE MATERIAL LENGTH. ROUNDED HOOK ENDS ARE GLASS FILLED NYLON OVER MOLDED INTO THE STRAP. THE HOOKS WILL NOT COME OUT.