small pattern ground access mats 3/4 Inch for swamp ground small pattern ground access mats 3/4 Inch for swamp ground small pattern 4×8 UHMW access mats factory-HDPE black small pattern 2×4 UHMW ac 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.