Eyecedar Polarized Clip-on Flip up Metal Clip Sunglasses Lens Including PU Material Pocket Protector And Cleaning Cloth Polarized clip-on flip up metal,applicable to metaland acetate prescription glasses UV protection. provide 180 day quality warranty. PU material pocket for storage, and protection. cotton cloth for cleaning. Metal clamp rubber cap --- provide you with durable, sturdy protection products .Polarized lenses --improve your vision, reduce glare, and sharpen your eye sight. UV400 Lens Technology ---absorbing over 99%of harmful UVA&UVB spectrums. Lens height: 1.38" ;lens width: 2.3" ; bridge: 0.55" ; total width:5.2"