material:PP,PE or PA color:black,yellow,red,blue,green,white etc. size:diameter 10 to 200 Spiral guard hoseMaterial PP,PE or PAColor black,yellow,green,red,blue etc.(as your requirements)Size Φ10mm to Φ155mmSurface two kinds----convex surface and flat surface Performance1)Exterior surface:Spiral protection sleeve surface smooth, no lack of material, cracks, damage and glitches; no foaming and ...