Double-sided pattern ground access mats 12mm thick for Portable roadway various lor extrusion nstruction hdpe ground protection mats. Hdpe. $2.32 - $2.78 / Kilogram. 200.0 Kilogra (Min. Order) UHMWPE plastic truck bed liner. $2.50 - $3.60 / Kilogram. nstruction extrusion 12.7mm antislip double-sided pattern temporary ground protection mats. $2.