Microsoft Lumia 640 Screen Protector [3-Pack], iLLumiShield - Japanese Ultra Clear HD Film with Anti-Bubble and Anti-Fingerprint Shield This kit features 3x Ultra HD Clear screen protectors for Microsoft Lumia 640 along with a set of instructions, installation squeegee, microfiber cleaning cloth and the iLLumiShield lifetime warranty. Designed with High Quality PET film imported from Japan that consists of multiple layers. Each layer provides specific functions that allow the Ultra Clear HD line of Microsoft Lumia 640 screen protectors to outperform competitor products that use inferior materials and manufacturing processes. iLLumiShield Ultra Clear HD screen protectors provide crystal clarity with unmatched durability. Crafted to be as invisible as possible, our screen protectors offer "True Touch" and "glass-like" feel for a superior tactile experience, so it's as if there's nothing there at all! The Anti-bubble silicone resin layer is self-adhesive which allows for an easy dry installation - no more hassle from handling spray solution that could potentially leak into the ports of your device and do damage. For optimal effect, install in a lint-free environment. iLLumiShield Ultra Clear HD is a highly transparent, smooth and scratch resistant film that prevents bacterial elements, oil, and fingerprints.