BAKFlip MX4  Hard Folding Truck Bed Tonneau Cover | 448329 | fits 2015-19 Ford F150 5' 6" bed Fits 2015-2018 Ford F-150 Short Bed (5'6") This hard folding tonneau cover easily clamps on with no drilling and provides outstanding security against rain, snow, theft, dirt and sun Built with aircraft grade aluminum sandwich panels Relatively light, yet offers heavy duty durability