The fiberglass Airstream. Double hull, insulated,Low maintenance finishes. Ready for off grid travel. Options include 320w solar panels, new Blue Sky solar controller, Dakota 200 amp lithium house battery w/ 10 yr warranty, two, 30lb propane tanks, dual mode fridge, propane heat and water heater, microwave, Jensen stereo & tv, wi-if extender, cell booster, awning, electric tongue Jack & leveling jacks, all aluminum frame, Michelins, 15 aluminum sport wheels, Anderson weight distributing hitch.Great trailer! No mold, leaks or structural issues, ready to roll.