ASUS ZenFone 2 ZE551ML ZE550ML 5.5" Screen Protector,Axdays&reg;,(2in1-Pack) Tempered Glass Screen Protector Perfect Fit for ASUS ZenFone 2 ZE551ML ZE550ML 5.5" ASUS ZenFone 2 ZE551ML ZE550ML 5.5" Screen Protector Made from the Highest Quality Tempered-Glass with 9H Super Tough protects From scratches to high impact drops. 99.99% HD Clarity and Maintains the Original Touch Experience. 9H Strong Hardness Anti Scratch: three times stronger than a regular screen protector film.