The 9.5mm Sure-Grip rope in this throw bag is UL Classified to meet NFPA 1983/2017 edition for Throwlines. It features the innovative textured sheath that provides extra grip during swiftwater maneuvers. Other features include an HMPE (ultra high molecular weight polyethylene) core for superior strength, high flotation, and near zero stretch even when wet. Nylon bag has retro-reflective strip, mesh for ventilation, drawstring closure, flotation donut, and clear vinyl handle.