Mkbrother Premium Grade 2PLY 1.8 mil film was our series developed with chip-infusion technology. It was created by eliminating the dyeing process, which is prone to fading, and then increasing the quality and density of our UV coating by implementing a 2-stage UV inhibitor process. We added our premium UV coating to our raw materials, as well as in the adhesive, to provide resistance to fading that is unparalleled in our industry and the next generation of window films was born. Professional Grade 20% 2 Ply 1.8 Mil Thickness Film Extruded-Dyed, Non-Reflective Visile Light Transmission 6% Visble Light Reflectance 6% Total Solar Energy Rejected (TSER) 46% Improves personal safety by blocking 99% of UVA & UVB rays Reduces glare and fading of vehicle's interior