DUX DUCIS Roga Series 2.5D HD Fully Transparent Tempered Screen Protector with Dust Removal Quick-Attach Box 1. The light transmittance is about 91%, high-definition and transparent, enjoy the naked perspective world 2. High-aluminum glass is customized and integrated, with 0.33mm thickness to present the original screen quality 3. Plasma oleophobic layer, no fear of oil stains and sweat stains, experience a smooth feel. 4. AB full glue bonding makes the tempered film fit more closely with the screen 5. 4 hours high temperature strengthening. 9 hours explosion-proof hardness, full screen explosion-proof, comprehensive impact resistance 6. Scratch resistance and wear resistance have good performance and can be used for a long time. Installation instructions: 1. Please use alcohol cotton swabs and microfiber cloth to clean the phone screen before installation. 2. Peel off the protective layer on the adhesive side. 3. Carefully align the glass film with the screen. 4. Press the center of the glass film, and then the adhesive part will spread smoothly.