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I won't be surprised if you find a pot of gold under your couch after installing this.
"Not only is this functional, it is SO pretty. Gives my bathroom a totally serene feel. It's easy to install, just be sure you have a couple fresh blades, and — as the old folks say — measure twice, cut once. There IS a film on the back that must be removed. On a corner, use a piece of tape on the front and one on the back, and pull apart until the film comes off. Note: The film is clear; the rainbow effect comes from light being refracted by the film." —Stephanie Graham
"Really happy with this product. I have huge sliding door windows on the first floor, so I wanted to have some privacy but still have natural light. It was very easy to apply. I thought it would be like trying to apply a screen protector, which is frustrating, but since there's no adhesive and the material is pliable the bubbles come out very easily. The pliability also makes it very forgiving if you don't cut it perfecly. I plan on buying more for my other set of windows!
A few reviewers complained about not getting the rainbow/prism effect. It depends on the angle and intensity of the light. My windows face the setting sun pretty directly, so sunset is rainbow time! Season changes will probably alter the effect as the angle of the sun changes a bit. From the outside I've noticed that small lights in a dark room (ex: my digital clock backlight) produce pretty rainbow circles on the film." —D. M. Guzman
"Love this stuff! So easy to put up. It's not quite as good for privacy as some of the other designs but it's pretty. Love the all over rainbow effects when the sun shines through it! I cut out some circles from an extra piece and added them to make the window look more interesting. It was cloudy the day I took the pictures." —Rachel
"We ordered two for our front doors. They work great and are easy to apply!!!" —Nichole Miliano
"Absolutely beautiful, super easy to put up. Trimming to size was easy with an Exacto-knife and self healing mat. Using a credit card made getting all the bubbles out during application very easy." —Basil
"I had my doubts but this product was exactly as described. The amount of light effects how well you can see in and out. It does obstruct the view looking out but most importantly people can't see in. It's kind of tinted on the outside when the sun's up, and it casts a gorgeous rainbow prism inside your home — that's my favorite part! I posted a pic showing the pattern and colors casted inside when lots of sun is out!!" —Virginia Saunders
Reviews have been edited for length and/or clarity.