Anti-scratch&high Quality Preminum Tempered Glass - Scratch-resistant - Shatterproof Glass - Screen Protector - Industry-high 9h Hardnes (iphone4/4S) Industry-high hardness: 9H Strong Hardness.Highly Active Anti-scratch. (harder than a knife). High-response & high-transparency: Ultra Slim Thickness Glass. Only 0.30mm thick; maintains the original touch experience. High transparency: 94% light penetration ratio preserves the original viewing quality. Smudge and fingerprint resistant: Oleophobic coating reduces smudges and fingerprints, ensures easy cleaning. Anti-chip rounded edge improves gliding and grip experience.Bubble Free. 99% Crystal Package contents:Tempered Glass Screen Protector, alcohol towelette, microfiber cloth, dust-removal adhesive strip, 2 home button stickers (black / white).