Starting @ 4'x6'x24"tall 2000gvw with a flip lid and rear barn doors. We can go up to 5'x9'x67" tall,. Add a door or two that are lockable from the inside. Sliding windows with bug screens for the door or just a widow for venting. Build with a slide out for your camp stove or a complete slide out cooking tray. We can install the Timbren Axle less suspension for off road camping.