Dee-zee-bed-mat-2019-f150, dee zee products are eligible for return within 30-days from receipt. items must be returned in new condition with all original packaging, literature, hardware, and parts.. The dee zee bed mat helps prevent cargo from shifting and damaging your truck. constructed from 3/8 in. (9. 52mm) thick rubber compound highly compressed rubber resists abrasions and tears rubber cleats help keep mat in place and facilitate water drainage, browse our selection of pickup truck bed liners and mats, made 100% in the usa. our durable truck bed liners and mats offer unmatched quality and protection.