air hose is constructed with material polyurethane (PU) which is stays flexible even in excellent cold weathe, work temperature range of -20℃ to +60℃. the hose bounces back after each use for easy to storage. No kinked or tangled, Lightweight, compact. Self coiled design for kink-free, tangle-free,convenient-to-use option for your work. 1/4" heavy duty industrial quick coupler and plug, helps you to connect and use air compressor tools quickly and easily . Bend restrictors in the hose itself prevent kinking and increase durability. coil air hose is used reinforced premium PU material plus heavy duty brass fitting for long time use. The PU material features abrasion, oil, grease resistant, lightweight. 120PSI Max working pressure, 360 PSI bursting pressure.