RetraxONE Tonneau Cover 10742The RetraxONE retractable pickup bed cover is manufactured from polycarbonate, a durable thermoplastic commonly known as LEXAN. This low profile design incorporates a front cover that is flush with the truck bed cover, which streamlines the overall appearance and provides a firm, dependable seal to help to keep the truck bed dry. This rigid, one piece sheet is engineered to retract without joints or hinges that can trap dust, wear out or freeze.