Extang 47450 Original Trifecta Toolbox Trifold Truck Bed Cover fits Chevy/GMC Silverado/Sierra 1500 (6 1/2 ft) 2014-18, 2500/3500HD - 2015-18 Tri-folding, soft toolbox tonneau cover design Easy install and removal, no tools required Strongest frame of any soft folding cover, yet lightweight Fits standard 18-20 inch tool boxes Made in the USA