Lund 969352 Hard Fold Truck Bed Tonneau Cover for 1999-2018 Ford F-250, F-350, F-450 | Fits 6.8' Bed Features double sided, tear resistant, 24.5 ounce marine grade black vinyl material over a tough aluminum frame and full coverage, dent resistant 6063 aluminum panels Black epoxy coated sub-panel and support beams; Simple clamping system provides tension and security Scuff and dent resistant hard fold design; Weight rating of 350lbs (evenly distributed) Comes fully-assembled with easy to use clamps and no-drill installation; Removes in less than 3 minutes Proudly made in the USA and backed by a limited lifetime warranty