Used Yakima Skybox 21. Good condition, some scuffs but no cracks and completely waterproof. Includes 2 keys. This thing is massive, 21 cubic feet of storage. Dual side access for easy loading unloading. Stored indoors in heated garage since new. $350 FIRMCash only, no trades.Length 7 ft. 8 in.Width in.36 inchesHeight in.18 inchesWeight 62 poundsThule Motion Roof Box, clamshell, SportRack