1.Low strain, wear-resistant, long-life material(100% EPS) . 2.Proven sling web construction. B. Endless SlingsAll YI-LIFT flat wdbbing slings meet or exceed current U.S.. industry and government requirements of OSHA and ASME B 30.9 , and can be modified according to local standard as required.Red core yarns have warning feature.Class 7 webbing possessing a minimum certified tensile strength of ...