The Toyota Tundra Double Cab DU-HA is custom designed to fit underneath your pre-existing back seat and is available in matching interior colors. It's constructed from heavy duty polyethylene and comes with a lifetime warranty. This DU-HA is designed to fit models with and without the factory subwoofer. This model acts as a legal gun case in most states and will hold 2 rifles or shotguns with scopes. Scroll down for more photos and information.