I've recently moved into an upstairs rental unit, but the bathroom has a clear glass window, without any blinds/curtains over it. Looking around, I reckon people would be able to look in. There isn't a curtain rod or any hooks near the window, and being a rental property, I don't think that I can make many physical adjustments, or nail anything into the walls.
I've seen frosted glass film that can be attached to windows, but I don't know whether or not they're easily removable. I was thinking I could something like a small portable dividing screen (kind of like a room divider), but I don't know where to find something.
Any suggestions?
If the window has a timber surround you could put up a couple of pieces of blockout curtain material.
Fix them to the top of the window frame using drawing pins and use some tiebacks.
The pin holes will not be visible in the top of the frame when the curtains are removed.