HTC ONE M9 Tempered Glass Screen Protector Film Guard,For HTC Health(TM)HD Clear Anti-Scratch Anti-Fingerprint Waterproof Glass Lens Glass Screen Screen Protector Film Material:High hardness HD clear glass. Smudge and Fingerprint Resistant: Oleophobic Coating Reduces Smudges and Fingerprints, Ensures Easy Cleaning. Delicate Touch: The protector is coated on the back with a strong silicon adhesive that makes installation easy and attaches the film firmly so as to not affect the touch screen's sensitivity. High Response & High Transparency: Only 0.33mm Thick; Maintains the Original Touch Experience.99% Light Penetration Ratio Preserves the Original Viewing Quality. Scratch Resistance: Effectively Resists Scratches Up to 9H (harder than a knife).