Generally, a film to protect the screen makes sense. That should not be in dispute. What may be disadvantageous in the films but, the fact is the difficult cleaning. Of course, the attachment mancmal "tricky" when air bubbles. The bet can not puncture as with other adhesive film you ... Placing the right thick film is very simple and functions without problems. The rough surface of the anti-reflective system is pleasant to use, it even facilitates the touchscreen operation. Overall, a great product at a very fair price.