Microsoft Lumia 640 Tempered Glass Crystal Clear LCD Screen Protector Guard & Polishing ClothRED DSSVL0 BY SHUKAN&reg;, (TEMPERED GLASS) Surface Hardness: The 9H hardness can effectively protect your screen from scratches and external shocks. Compatibility: Microsoft Lumia 640 Temepred Glass and Includes SHUKAN Polishing Cloth for your Microsoft Lumia 640. Anti-shatter Film: If broken, the tempered glass breaks into small pieces that are not sharp, marking it safer for users. Oleophobic Coating: The oleophobic coating can prevent fingerprints or other stains, and make the film easy to clean. Delicate Touch: Ultra-thin Glass (T=0.3mm) and self adhesive silicon can touch on the screen smoothly.