window has a small opening window on each side. Measurements are: 1805 X 1295 MDF part 1865 X 1360 metal to highest point. Has been container stored and is in good condition although I was going to replace the bottom board prior to installing it because it's also MDF and since most people put pot plants there and water them MDF seemed a pretty dumb material to use. Not difficult to do with the window uninstalled.