Description: Shield and secure truck bed cargo with the GMC Accessories Tri-Fold Tonneau Cover. This Standard Bed Tonneau Covers soft fold design allows easy access to your cargo. Shield and secure truck bed cargo with the Chevrolet Accessories Tri-Fold Tonneau Cover. Shield and secure truck bed cargo with this Tri-Fold Tonneau Cover. This cover’s soft tri-fold design allows easy access to your cargo while providing protection with low-profile style.. 6.9 ft box, tonneau cover, soft trifold.