Slant-Side Tonneau Cover Here's the most economical way to protect your cargo. This heavy-duty vinyl truck bed cover keeps your valuables out of sight. The black enameled frame clamps securely to the bed so there's no need to drill any holes. Our superior quality and workmanship shows in the reinforced corners on the vinyl that keep your cover in great shape for years. Tough tubular supports add strength and durability to shed rain and snow.