Dee Zee Bed Mats - Helps prevent cargo from shifting and damaging your truck. Constructed from 3/8" (9. 52mm) thick Nyracord, a high-strength, cord-enhanced, rubber compound. Rubber cleats help keep mat in place and facilitate water drainage. Will not crack, rust or break - even in extreme temperatures. Resists most chemical spills. Custom Fit. This product ships in approximately 1 days