professional Ground nstruction mats 1/2 Inch for apron . Ground nstruction mats 48″x96″ for apron – plasti [] IN STOCK! - 4x8 Black Mats. Our ground protection mats made from 100% recycled high-density polyethylene (HDPE), can hold up to 100 tons and are tough enough to not break. Mats have cleats and textured tops to aid with helping