2.Accurate real machine measurement of size. Perfectly fit your cellphone. 3.BXM tempered glass screen protector is perfectly transparent and the transmittance reaches near 99%. 4.BXM glass screen protector adopts 9D curved edge that makes comfortable feeling when touch. 5. Oleophobic Coating with advanced international HAVES nanotechnology makes it resistant against water, smudge, and fingerprint. 6. Premium material Asahi glass and more than 4 hours' tempered time makes it featuring impact resistance, explosion-proof and anti-scratch. 7. Slim chemical treatment processed tempered glass(Thickness 0.33mm). 8. Advanced silicone adhesive(Toyo glue) makes it perfectly pasted on screen without bubble. 9. High Transmittance material makes sensitive screen touch and high clear screen. 10.4 layers structure including nano adsorption layer, tempered glass,anti-falling scratch layer,anti-water pollution layer.