23CB is Airstream’s shortest dual axle. The 23 ft length allows for camping in National Parks RV spaces. The two of us enjoyed visiting four National Parks with this unit. The Corner Bed model allows for maximum sleeping capacity (up to 6). Unit includes all the standard International Serenity upgraded features ; along with many extras included by owners; including, Hitch with sway bars, ; 200 watt portable solar panel, tire pressure monitors, rear view camera, convection/microwave oven. Trailer is in excellent condition; no exterior scratches or dents.