Scratch-resistant, hard-coated surface with 3H pencil hardness. Test winner in the magazine c't issue No. 3 (2012): Anti-glare films tested. Among manufacturers like Belkin, Folix, Hama, hsw3000, Moshi, and 3M, the dipos anti-reflective film is the only one rated very good for glare reduction. Intentionally smaller than the LG W10 Alpha back glass, as it is curved (see photos), it is bubble-free and can be removed at any time without residue (no adhesive). Easy application - 100% bubble-free installation on a cleaned display! The special silicone adhesive layer displaces air during application and automatically conforms to the display. No impairment of usability! The Dipos screen protector offers a pleasant touch experience and is optimized for the LG W10 Alpha back.