Acase - Sony Xperia Ion 4G LTE Screen Protector Premium Anti-Glare Anti-Fingerprint, Matte LCD Cover Guard Shield Protective Film Kit (3 Packs) for AT&T Heavy duty screen protector, 100% guarantee no bubble - Sony Xperia Ion Contents: 3 Films for the Sony Xperia Ion screen protector, Back, Application card, Micro-Fiber Cleaning Cloth. Retail packaging. Resistance to erosion and fingerprints Non-adhesive backing, will not leave sticky residue Material: 3-layer PET film from Japan. Invisible film - once applied, it protectors your screen and it's invisible, almost as if it's not even there. The film is re-usable, simply clean with a moist cloth and re-apply to the device.