SPIGEN SGP Steinheil has the high reputation for the premium quality of screen protectors for years, and it has been ranked on the top selling screen protectors for most popular devices. Steinheil Ultra Series are premium quality screen protectors made in Japan. All of the Ultra Series have a hard surface and in no way interfere with the touch responsiveness of your display's screen. Ultra Optics film is premium grade screen protector that features a micro lens array surface layer. The micro lens array on the surface of this Matte anti-fingerprint film dramatically increases the light transmittance while offering an excellent, smooth surface texture with smudge resistant property.