Mobile protective film are the same. Basically no-name brands and the points. Also generally a little better as long as 1-3 million, $ 0.5 bad points there.
The quality of various mobile phone protection film is not very different, mainly a good stick, can not have bubbles. Protective film in the attached mobile phone screen before the sure to clean and paint; the dust will have bubbles Oh!
When buying selling are generally affixed to the Lord helped.