Glass window spray is a spray applied to the outside of a glass window.
It can be applied to any window, including those with raised glass panels.
It is available from many of the leading glass window repair shops in the country.
However, the spray can be a little difficult to spray onto the window, and you may find it easier to spray glass on a glass surface.
If you want to know how to spray the glass, then this is a great article to check out.