Extang 44455 Original Trifecta Trifold Truck Bed Cover fits Chevy/GMC Silverado/Sierra 1500 (8 ft) 2014-18, 2500/3500HD - 2015-18 Tri-folding, soft tonneau cover design Quick and easy install or removal, no tools required Strongest frame of any soft folding cover, yet lightweight Improves Gas Mileage Made in the USA