Gila Titanium Heat Control Window Film features advanced technology that helps block heat, reflects UV rays and reduces glare for increased interior comfort. Highly-reflective material on the exterior provides superior daytime privacy while maintaining your view of the outside. Gila Titanium Heat Control Window Film does not offer nighttime privacy-when it's dark outside and lights are on inside, the film no longer conceals views. With How-To videos and Tips, the film is hassle-free to install and perfect for weekend DIY projects.