Feature●Brand New●Ultra lightweight with highly scratch resistant material Lens with UV400 technology offers maximum protection from harmful Light UV Rays.●Clip it over prescription glasses frames, get the prescription sunglasses function●UV400 100% UV LENS: Blocking harmful UVA and UVB radiation from the sunlightDescription ColorViper Clip On , Flip Up , Adjustable Spring Clip on , Driving Lens , Rimless Prescription Glasses