The DU-HA for the Chevy/GMC Extended Cab is designed to fit underneath your existing back seat, It"s constructed from heavy duty polyethylene and comes with a lifetime warranty, This model also acts as a legal gun case in most states and will securely hold 2 guns, 1 with a scope, Extended Cab Silverado/Sierra (New Body Style)* *Comes with 2-piece foam gun rack/organizers, No plastic dividers are available for this model, Year: 07-11, Model: Chevrolet/GMC, Color: Dk Gray, Length: 58, Height: 9, 5, Width: 15, 5 SKU: DUHA001