I decided that I didn't want to use curtains on our bathroom window so I was trying to find an alternative. I looked at the window films that they sell and didn't like how expensive they were. DIY window film with contact paper!
Window Film that Prevents Heat Loss - Panacea for Post-and-Beam Homes?
Use energy saving window film to help cut your energy bills all year 'round. This uv protection window film blocks of UV rays that would prematurely fade carpets and drapes. The residential window film is easy to apply.