Comment posted to cell phone cases and cover | Halo Screen Protector Film Clear (Invisible) for iPhone 4G 4S 4 (3 Pack + 3 Bonus Back Films) by PhillipJ.
No good in some lights,
The screen protector is no good if you have light in room or if you are outside in sun. It reflect too much and show a rainbow on screen. I have 3 bubble on screen but that is not too much problem because they are small. But the rainbow give me headache looking at my phone.