Teknmotion Real Glass Screen Shield for iPhone 5S - Retail Packaging - Grey Ultra thin Japanese optical glass: Light transmittance &gt; 90% Self-Adhesive, delicate touch: Adhesive power: 130 g/cm2 Precise polishing: Nano film reduces fingerprints, anti-dust, anti-sweat, UV cut Special frame design: No glare or bubbles at the edge Tempered glass: shatter-proof, anti-scratch, anti-shock, MOHS scale is 8H, Elastic pressure 12kg/cm2