Choose from 2.5mm, 1/32", 1/16", 3/16", 5/16", 1/8”, 3/8", 5/8", 1/4", 1/2" Diameter, in Multiple Lengths and Colors Elasticity helps absorb shock which assists in transporting and storing items, securing items, making bungee cords and much more Lightweight and made to last Made in the USA with a Rubber core with 100% elongation (+/- 10%) Shock Cord is also known as bungee rope, bungee cord, stretch cord, stretch rope, bunge, bungie, bungee, bungy, elastic cord, elastic rope, shock cord, shock rope, elasticated rope and elasticated cord