Sorry i guess i didnt specify invisible shield is this like cover thing for the iphone and other phones, pretty much scratch proof.
ZAGG | invisibleSHIELD | Apple iPhone 3G Cases, Screen Protectors, Covers, Shields, Skins, Invisible Shield
you can look up on youtube what it is, use the codes if u want if not than no hurt feelings, theres another forum scrambling for the codes, im to lazy to register there to put these up