For iPhone 11 XR 25pcs Shield Arc Tempered Glass Film 1. Ultra-thin and excellent flexibility, you don't have to worry about the slow response of your phone after sticking the protective film. 2. High hardness: This tempered glass film has high hardness, so it can prevent itself from being scratched or broken. If broken, the tempered glass will shatter into small non-sharp pieces, ensuring user safety. 3. High Definition: This protective film has high light transmittance. With high light transmittance and low light reflectivity, the screen remains high-definition with the protective film. 4. Function: The protective film can fit your phone screen precisely, and can protect your phone screen from scratches, fingerprints, water, oil, dust, vibration, slipping, etc. Easy to clean when contaminated with water, mud, oil or other attachments. 5. Smooth surface: Even the edges of the protective film are smooth. 6. Easy to use: It has super strong adhesion. All you need to do before applying the protective film is to thoroughly clean the screen. 7. Durable: With good performance and quality, it can be used for a long time. 8. High aluminum and large arc, double plasma electroplating has obvious anti-fingerprint function. Installation Notes: 1. Please use alcohol swab and microfiber cloth to clean the phone screen before installation. 2. Peel off the protective layer from the adhesive side. 3. Carefully align the glass foil with the screen. 4. Press the center of the glass film, the adhesive part will spread out smoothly. Reminder: 1. Since this is a glass product, please note that the edges of the glass are fragile areas. 2. When disassembled and reused, the sticking performance may be reduced and it can no longer stick to the device. Therefore, it is recommended not to reuse the protective film. 3. Excessive force when installing or removing the screen protector may damage the product.