3M™ Automotive Window Film Obsidian Security Series makes your valuables harder to steal. It creates an additional barrier to deter smash and grab thieves. In addition it provides heat rejection up to 45% and is color matched with 3M™ Automotive Window Film Obsidian Series In addition, Obsidian rejects up to 45% of the total solar energy coming through your windows and provides significant sun protection, blocking up to 99% of harmful ultraviolet (UV) light. Affordable comfort and protection for you and your belongings.