Nano Explosion-proof Screen Protector For F91 F-91W-1 F-91WM-1B F-91WG-9 F-91WS HD Clear Anti-Scratch Features: 1. 100% and high quality. 2. Clear Screen Ul-thin HD TPU Protector, Comes with cleaning Tools. 3. No water is needed, takes 5-10 minutes to install 4. Pre-cut to match screen shape, Cover full LCD gla screen. 5. Does not interfere with a touch display, Excellent character recognition. 6. Reduce-Glare, help minimize annoying surface glare under bright lights. 7. Easy to install, S-adhering, Leaves no sticky residue after removed!