[2PACK, LIFETIME WARRANTY] XOXO Mobile&reg; Premium Tempered Glass Screen Protector for Apple iPhone 4S / iPhone 4 - Real Tempered Glass - Scratch Proof - Oleophobic Coating - Ultra Crystal Clear - Easy to Install [2.5D Rounded Edges] [Super Thin 0.3mm] Scratch proof: With the industry-high hardness, it effectively resists scratches up to 9H (harder than a knife). High-response & High-transparency: Only 0.3mm thick & 95%+ light penetration ratio, plus the perfect adhesion, preserves the original viewing quality and maintains the original touch experience. Oleophobic coating reduces smudges and fingerprints, and ensures easy cleaning. Anti-chip rounded edge improves gliding and grip experience. LIFETIME MANUFACTURER REPLACEMENT WARRANTY