The V-TECH films are manufactured and produced by state of-the-art sputtering technology. The sputtering technology is a film making technique that raw materials like Gold(Au), Silver(Ag), Titanium(Ti) Indium Tin Oxide(ITO), etc are sputtered onto polyester films. In addition, temperature and humidity control system are installed in the manufacturing facility to produce quality of films consistently. By using the state-of-the art technology and processes, V-TECH window films can offer effective solar heat control solution for your vehicles or buildings. V-TECH films dramatically reduces the harmful UV rays, heat or glare for you and your family. V-TECH films help reducing energy loss through windows by using characteristics of window films such as illumination, dying or coating. Features: - Manufactured with newest and finest ceramic material, it rejects more heat and has stronger durability than the other films. It is also environment friendly 4-season window film that is 100% metal-free and dye-free. - Prevents and protects windows from accidents or natural disaster. V-Tech film helps holding glass together tight when shattered and preventing dangerous situation from accident. - Window film is designed to reject and absorb 61% of the suns energy that heats up the inside of your car. - V-TECH window film blocks up to 99% of harmful UVA and UVB rays that might cause skin cancer. It's like applying a sunscreen with an SPF of 285 or more.