30" X 60'' With 2 MM Thickness, Durable and high quality ESD mat have superior heat-, chemical-, and wear-resistance. Feature two layers rubber; the top layer is dissipative and the bottom layer is conductive. Available in Blue. Dual Bench Ground Mount for Single Conductor Wrist Straps. This is a good complement to our mat grounding cord as it will install under the work bench and provide long term solution. It also provides more workable surface area ( the mat grounding usually is mounted on the corner, top left or right of the mat).