Dee Zee Bed Mat/Skid Mat Model DZ76929Dee Zee Bed Mat Skid Mat Model DZ76929 Dee Zee Bed Mats Helps prevent cargo from shifting and damaging your truck bed and a necessity for every truck, even with a spray in bed liner. The custom fit application contours around wheel wells for complete coverage of the truck bed surface. The mat is constructed from highly compressed rubber compound to resist abrasions and tears. At a final thickness of 3 8 in. (9. 52mm), the heavyweight mat will not lift