Specification Brand ANDZ Xiaomi Ecological Chain Frame Material SUS304Lens Material nylonColor A Gradual starry blue B Cool space grayLight transmittance 3 categoriesSize 61x17x145mmFeatures Visual image more clear field of vision Effective eye protection by filtering strong light The polarizing film layer blocks the scattered light from daily beams with a polarization efficiency of 95 or more which can effectively filter the dazzling light The raw material is selected and cut into a thin frame line by a professional machine The sunglasses weigh about 16g and wear them for a long time light if nothing as a whole The weight is only 1 2 of the conventional sunglasses Select German OBE hinge precision stability ensure glasses leg and frame connection is smooth and there is no loosening in opening and closing for a long time OBE of Germany is one of the four largest manufacturers of glasses accessories in the world ANDZ selected advanced nylon lenses transparent polyamides with natural absolute advantages such as anti ultraviolet very light strong anti allergic etc Most of them are selected for high end brands Package Included 1x Nylon Polarized Blue Membrane Glasses1x Introduction1x Glasses Bag