WANGLY Polarized Unisex Clip on Flip up Sunglasses over Prescription Glasses Frames and Readers Suitable for Driving, Grey Lens

TAC POLARIZED LENS: Anti glare from road, water and glass wall cause by sunlight reflection, good for driving and outdoor activities;, 100% UV PROTECTION LENS: Blocking harmful UVA and UVB radiation from the sunlight;, EASY TO USE: Just clip it over prescription glasses frames and readers, get the polarized sunglasses function with affordable cost;, FITTING: Fitting a wide range of prescription glasses shapes - oval, cat eye, square, rectangle even a little round frames;, WHEN TO USE: Running, Driving, Boating, Hiking, Fishing, Skiing, Cycling etc.