3M Schotchguard pro Series 4 Thickness
One of the most important reasons behind 3M Schotchguard pro-Series 4 popularity and the main reason it is choice number one worldwide is its thickness. Regardless of being the first & only patent multi-layer film in the world, 3M Schotchguard pro-Series 4 has the highest thickness in the whole industry. It comes with 250 Microns comparing to other films that come with a maximum of 180 microns. 3M Schotchguard pro-Series has 8 layers.