Window Tint Film 3ft x 5ft (15 sq ft) tinting shade 40% VLT 2 PLY Roll VVIVID8 This VViViD ceramic tint film provides 99% UV rejection, and reduces glare, heat, and fading of interior colours caused by light exposure. Ceramic tint films are also called Signal Enabling films, due to the fact that they have no interference with electronics in your car. VLT stands for Visible Light Transmission. The lower the VLT percentage, the darker the tint: 05% VLT: Very Dark, Limo style. 20% VLT: Dark, Factory tint style. 35% VLT: Moderate. 50% VLT: Low. 70% VLT: Very Low, looks almost not tinted (usually used for Solar & UV protection). Scratch-resistant protection for glass surfaces. Self-adhesive, and easy to install.