ZOMEi 37mm Professional Cell Phone Camera Circular Polarizer Lens CPL for iPhone Xiaomi Galaxy Android SmartphoneDescription CIR PL filters allow you to remove unwanted reflections from non metallic surfaces such as water glass etc They also enable colors to become more saturated and appear clearer with better contrast This effect is used to increase the contrast and saturation in blue skies and white clouds Only 4 68mm thickness Wide angle lens compatible ultra thin frame Polarization rate up to 99 9 and transmittance up to 99 7 Made with no compromise Glass mounted with high pressure press technology Original AGC Optical Glass from Japan All Materials Used in this filter Meet the European standards ROHS Restrictions on Hazardous Substances Specifcation Material Lens Optical Glass Aluminum AlloyDiameter 37mmPackage Included 1 x CPL Filter1 x Clip