3M Automotive Window Film is the best Window Film in the industry. Bar none. No questions asked. While other window film companies just simply dye their window film dark colors, 3M is built with nano-carbon which naturally is a dark color. No dyeing. No window film turning purple. We wanted to show that with a cut, clever ad that spoke to families out there. Families who understand the value of a dollar and know that a car is probably one of the biggest investments you make. Protect that car’s engine, your belongings and most importantly you.