Since we all use our iphone 3g device so much there is a tendency for them to get dirty very quickly. There are also so many germs on most of our iphone 3g device and for this reason screen protectors are a good idea for all types of phones. Protectors include screen protectors which will ensure that your iphone 3g device screen will be free of scratches and cracks in case of accidental drops. Also, they keep fingerprints off the screen and the nice thing is that if you screen protector gets dirty you can easily replace it. Replacing phones is costly so it is better to protect your iphone 3g device. And with different types of cleaners you can also ensure that your iphone 3g device will be sanitary and germ-free and free of everyday dust and dirt build up.