Material:3 layers structure, surface is high strength PVC, middle layer is EPDM foam, bottom layer is conductive rubber Size: 610x910x18mm, 610x450x18mm, other size can be customized Max .length:15m Max. Width:0.4-1.2m Thickness: 9-40mm Color: Black or Black & Yellow Surface resistance: 10⁸-10⁹Ω (PVC Surface)