Premium Tempered Glass Screen Protector Film for Samsung Galaxy Alpha, Alfa, SM-G850F, SM-G850FQ, SM-G850Y, SM-G850A, SM-G850T, SM-G850M, SM-G850K, SM-G850S, SM-G8508S Real Touch Sensitivity for a natural feel that provides flawless touch screen accuracy. Bubble Free. 9H Strong Hardness Anti Scratch. Light Penetration Ratio 93.7%. Easy Installation.