I agree with Hans2012. Not only will the top material be stretched properly, but the plastic window will flatten out and have far less creasing over time. Additionally with a little finessing, you’ll be able to get the two back corners to lay flat against the storage boot. You can find hardtop covers from several sources to keep it dust free while it’s stored. For these reasons, I seldom have the hardtop mounted whether or not the car is being stored.