iCarez [HD Clear] Screen Protector for Windows Phone Lumia 640 [Unique Hinge Install Method With Kits ] Easy Install [3-Pack] - Retail Packaging Hard coated for Scratch Proof (Hardness: 3H-4H),Compatible with Lumia 640 Dry Application: Easy to Install and Remove (Bubble-Free / No Residue) High Definition Transparency Film that ensures maximum resolution for RETINA Display TrueTouch Sensitivity and antibacterial for an invisible and perfect protection on touch screen Perfect cutouts on the front not to interfere with sensors or responsiveness