These whoopie slings are made from 7/64" Silver Amsteel, which consists of braided Dyneema.  The material is extremely durable and has a strength rating comparable to that of steel - but weighs a fraction of what steel does and even floats!These have been field-tested by countless backpackers/campers looking to lighten their packs and increase the versatility of their camping hammock.  They are easy to install on a variety of commercially-produced hammocks and nearly all D.I.Y. backpacking hammocks.By popular demand, all new Silver Whoopie slings feature a safety bead on the adjustable loop of the sling to prevent an accidental backsplice. The price has not changed!