Description:The mat is made of rubber material (styrene-butadiene rubber, nitrile rubber, natural rubber). Double-layer composite material, the last two layers are black, the size of the pad: 70*50CM, with 1.8m PU full black line Yellow head wristband.Specification:Construction: double-layer composite materialThickness: 2mm 2 layersColor: both upper and lower layers - blackElectrical Properties :Property Test Method ValueSurface Resistance Anti-static 1*10e6 - 10e9 ohmBottom Resistance Conductive 1*10e3- 10e5 ohm