High Hardness: This tempered glass screen film is very hard, so it effectively and consistently prevents itself from being scratched or shattered. If broken, the tempered glass will shatter into small, non-sharp pieces, making it safer for the userHigh Clarity: The film has a high light transmission rate. With the high light transmission and low reflection, you can have the same high-definition picture as alwaysFunctionality: The screen protector film fits your phone well and makes a big difference in protecting your phone from scratches, fingerprints, water, oil, dust, vibration, sliding, etc. It cleans effortlessly when stained with water, soil, mud, oil, or other accessoriesSmooth Surface: The sides of the screen film also feel smoothEasy to Use: It has excellent adhesion. To attach the film, the only thing you need to do is to clean the screen thoroughlyDurable: tempered glass film performs well for long-term useInstallation instructions:1. Use an alcohol swab and microfiber cloth to clean the LCD screen before installation.2. Peel off the protective layer of the adhesive surface.3. Carefully align the glass with the screen.4. Press the center of the glass, then the adhesive part will be smoothly distributed on all parts.Note:1. Since this is a glass product, please note that the edges of the glass are the most vulnerable areas.2. When removed for reuse, the adhesive properties may wear down to the point where the screen protector will not adhere to the device. Once the glass protector is applied, it is not recommended to wake it up again.3. Excessive force when installing or removing the screen protector may damage the product.Compatible with:Nokia XR21Package included:5 x Tempered Glass Screen Protector5 x Wipes Set5 x Dust-absorber10 x Guide StickerAccessory only, phone not included Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.