Deezee 17-23 Ford SuperDuty Heavyweight Bed Mat - Custom Fit 8Ft Bed (X Pattern)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 from the bed surface even at high