Great way to store extra stuff had to remove it from 30 footer to get tire bracket on and tire in place61" long by bottom to top 18" and back to front 20" Comes with key I am in coombs on Swayne rd.The box new from Steve marshal was $435 then tax $300 takes it and bumper cover was $95.So at $50 is a great price .. note box is wired for lights which is shown. Motor home is sold.