Extang Trifecta Tonneau Cover Features: Tri-Fold Design Comes Completely Assembled No Loose Parts Installs In Seconds No Tools Fast New Clamping System Double Pivot Hinges W/Center Link And Padded Seals MaxCare Warranty;Lifetime Warranty Frame And Tarp Improves Gas Mileage By 10 Percent Height: 5.00 Width: 29.00 Length: 66.00 Fitment: 2012/GMC/Canyon/WT Standard Cab Pickup 2-Door/3.7L 3654CC 223Cu. In. l5 GAS DOHC Naturally Aspirated::Bed Length = 72.8, Bed Side = Styleside^^2012/GMC/Canyon/WT Standard Cab Pickup 2-Door/2.9L 2921CC 178Cu. In. l4 GAS DOHC Naturally Aspirated::Bed Length = 72.8, Bed Side = Styleside^^2012/GMC/Canyon/WT Extended Cab Pickup 4-Door/3.7L 3654CC 223Cu. In. l5 GAS DOHC Naturally Aspirated::Bed Length = 72.8, Bed Side = Styleside^^2012/GMC/Canyon/WT Extended Cab Pickup 4-Door/2.9L 2921CC 178Cu. In. l4 GAS DOHC Nat...