ACOMPATIBLE Flip up Clip on Sunglasses for Eyeglasses with UV400 Polycarbonate Polarized 60mm Lenth Grey Lenses Squeeze to open clip to fit nearly all types of glasses Super Lightweight (only 6-7g) , never damage the frame or the lenses of the spectacles Conveniently flip up or down at any angles with only one hand Feature UV400 Lens Technology, absorbing 100% of harmful UVA and UVB rays 60mm Lenth for one Len x 36mm Height (2.4"x 1.4"), Whole Lenth:131mm (5.2")