Review on 🪟 CottonColors Brand Window Film - 3D Ecology Non-Toxic Static Decoration for UV Rejection, Heat Control, Energy Saving, Privacy - Glass Stickers, 35.4x78.7 Inches by Jamie Parker

That's very nice. I hung mine sideways so the diamond shaped grid resembled a leaded glass pattern. I think it's better this way. When sunlight falls on it, a prism effect is created. It took less than an hour to make two 2" x 3" windows. Use lots of soapy water. A wide spatula did just as well as a squeegee (I lost it halfway through) made for the purpose. I've heard that a credit card works well too. If you were outside at night and there was a bright light in the room behind this window film, you would barely see the color/shape spot. But it's close. The effect gets smaller the farther you are from the window. Not totally opaque, but more than private enough to use in a bathroom window without revealing anything. We took a good look at it lol. During daylight hours it lets in enough sun for my plants to thrive.