winding hose,spiral hose. Winding hose,Winding Hose Features: 1)Transparent,Black and other colors 2)Unbreakable core,long-lasting 3)Smooth inside wall 4)Material PVC,PE,TPU etc Usages: 1)Water delivery and drainage in construction 2)Electricali wires,cables protection 3)General uses in water transmission 4)Liquid,power,granule transmissionPacking: In knitted bag or in carton winding hose