The screen guard protector of Numbi for the Kindle is recommended only very limited. Although it restricts, as promised by the manufacturer, a functionality of the display in any way, but will also reduce in any way as indicated, the mirroring of the screen under strong light sources such as the display of the Kindle already innately virtually not reflected , The following points should, however, to complain: - The film is not really fit 100%, but it is on all four sides about one millimeter too short. This results in particular in artificial light sources to irritation when reading. - In addition, the screen protector is also in compliance with the instructions and the help of a doctor blade, not Bubble free installation. It formed definitely some small air bubbles that can not be crossed out with a squeegee or credit card also. And these bubbles are reflected then in direct light.
Conclusion: I have the film removed, as they are rather disturbing effect on reading on the Kindle because of the items mentioned above, and as far as we kept the display of these Kindles in a protective case, is actually not even scratch at risk. Any contamination caused by the oil from the skin can be easily removed from both the film and the display with a lens cleaning cloth. So you can confidently save the purchase of film and the money instead to invest in buying a corresponding protective case when you want to protect the Kindle screen from scratches.