Lumia 820 Glass Screen Protector, AnoKe(0.3mm 9H 2.5D) Best Tempered Glass Screen Protector Film Shield Guard For Microsoft Nokia Lumia 820 Glass 99% HIGH TRANSPARENCY,REDUCTION NATURAL VIEWING EXPERIENCE. 0.3MM THICKNESS 2.5D ROUNDED EDGE, ANTI-OIL, VERY SMOOTHLY AND REDUCTION NATURAL HAND FEEL 9H HARDNESS:Electrostatic Adsorption and Anti Scratch. It won't be scratch even if you use a pocket knife to scratch it. And very easy to install. ANTI-SHATTER: This screen protector cracks into small pieces that are held within the film (if broken). They are not sharp, making it safer than other glass products. NOTE:if the designed of the phone is curve edge . because of the different manufacture production different glass screen protector , so the radian is also not the same . we can't guarantee it can fully cover your screen surface . if you don't like this . you can apply a refund WARRANTY / REPLACEMENT / REFUND: Lifetime Replacement Warranty. If the item you have received is defective in any way, please email us for replacement or refund. If you have any questions, please contact us via Amazon message system. Please DO NOT leave a neutral or negative feedback before contacting us. we will reply you without 24 hours. and giving you a satisfactory answer