Dissipative /anti-static matting is formulated to absorb static electricity. This matting drains static from worker keeping sensitive circuitry from damage. Specially compounded pebble-embossed PVC sponge manufactured with NOTRAX exclusive Dyna-Shield protective top layer. All four sides are beveled to minimize trip hazards. Overall thickness is 3/8 inch. Testing is per EOS/ESD Association Draft Standard, "Standard for Protection of Electrostatic Discharge Susceptible Items = Worksurfaces" EOS/ESD-S4, Draft January 1988. RTG measured at Moderate and 12% RH, at 10V and 100V = 109 ohms.