Supershieldz- High Definition Clear Screen Protector Shield for iPhone 4 4S Front + Back + Lifetime Replacements Warranty [3 Front And 3 Back]- Retail Packaging High Definition Transparency Film that ensures maximum resolution Made from the highest quality Japanese PET Film with 100% Bubble-Free Adhesives for easy installation and no residue when removed Real Touch Sensitivity for a natural feel that provides flawless touch screen accuracy Pre-cut to fit your screen exactly . Scratch resistant coating.