ACOMPATIBLE Day-Night 2 Pairs Polarized Clip on Flip up Plastic Sunglasses for Eyeglasses with Polarized Lens Grey and Yellow (Rectangle, 60mm) 60mm Lenth for one Len x 36mm Height (2.4"x 1.4"), Whole Lenth:131mm (5.2") Day-Night 2 Pairs Clip on Flip up Plastic Sunglasses, Grey Lens and Yellow Lens Squeeze to open clip to fit nearly all types of glasses; conveniently flip up or down at any angles with only one hand Super Lightweight , never damage the frame or the lenses of the spectacles Feature UV400 Lens Technology, absorbing 100% of harmful UVA and UVB rays