Casebase&reg; Premium Tempered Glass Screen Protector Twin Pack for HTC One (M9) Now in a great value twin pack, CaseBase Premium Tempered Glass Screen Protectors are the newest technology in superior screen protection for your mobile device With a 8-9H surface hardness, these screen protectors are designed to absorb impact damage and keep your screen scratch free offering almost triple the amount of protection that a standard screen protector would Ultra slim, and designed to be 91 % transparent, the Screen protector maintains both touch sensitivity of your device and optical clarity of the high resolution display The Oleophobic coating on the film provides a resistance against fingerprint smudges and other debris, while the shatterproof design prevents any damage or injuries from broken pieces Easy to apply, the screen protector can be installed with minimal fuss and eliminates the problem of air bubbles usually found with traditional screen protectors