YOTOO Polyurethane Recoil Air Hose 1/4" Inner Diameter by 25' Long with Bend Restrictor, 1/4" Industrial Quick Coupler and Plug, Blue is made of polyurethane and has quick coupler and plug for attaching to air-powered tools and equipment for indoor or outdoor applications. The air hose has a pigtail-style body which self-recoils after extension during use. Bend restrictors reduce kinking and help to increase the life of the hose