The positive features of one way perforated window film goes without saying. However, light is an extremely important part of how people experience a place, so the resulting design has two skin layers: one provides privacy; more specifically, to see out but prevent folks on the street from seeing in. Secondly, it controls solar heat gain; which in other words means less costs for air conditioner use and your indoor temperature stays relatively the same. Also, it shields harmful UV rays keeping furniture and skin protected. On top of that, it adds an element of security that makes the item unappealing to potential thieves seeing as how they can only see one way. Finally, it's super easy to install by yourself, meaning it is not only cost-effective but will also save money on your home as well.