Seamless Runners, short, shoulder, double, and triple length.  Bio-based SK99 Dyneema inside a UV-coated Dyneema cover.  These will outperform, outlast, and out-awesome every other sling avaliable today.  More cut-resistant than Nylon, more UV resistant than sewn webbing, lighter and less bulky than either.  UIAA 24kN certified.