30 years ESD/Anti-static slipper factory 1,Color:black 2,Size:36-48(double) 3,Material:SPU 30 years ESD/Anti-static slipper factorySize: 36, 38, 40, 42, 44, 48Color: Blue, White, BlackMaterial: SPUVolume Resistance: 10E6-10E9 30 years ESD/Anti-static slipper factory