elago HD Professional Extreme Clear Film Set for iPhone 4 (Anti-Reflective Optical Coating) + Microfiber Cleaner Crystal Clear Protection Film for iPhone 4(HD Grade , HD Professional) Protects iPhone 4 LCD Screen Hard-coated layer provides resistance to scratches Innovative silicon based adhesive wont leave a sticky residue when removed and reduces the appearance of air pockets when applied Anti-Reflective Optical Coating, Japanese-made screen film