It was not so stupid as to buy these more expensive display films. The apparently consist of several layers, which fulfill various functions (UV protection, scratch protection, etc.). Because in addition to the microfiber cleaning cloth and the ingenious mounting system (with 2 detachable thin cover sheets) came in the instructions a hervoragender assembly-Tip with: to bring the film up in the bathroom after the dust with hot bath vapor was precipitated from the air. So was also the inevitable 2. positioning of the film without consequence and the result of very pleasing (luckily I ordered the glossy version because thus the view is not obscured on the screen, and it does reflect as little or much as the display itself). When friends of mine the adhesive surface of the film has attracted all the dust while reorienting.