Semi Rimless Retro Polarized Sunglasses square Women Men Brand Sun Glasses· TAC lens· Polarized· Lens width: 48 millimeters· 100% UV400 PROTECTION â??It's important that your sunglasses provide 100 percent UV protection. This will shield your eyes from the sun's harmful UV rays that can cause long-term eye damage and even permanent vision loss. Don't assume cheap sunglasses provide this level of protection,even if a sticker on the lenses says, "blocks UV."· TAC Lens - TAC polarized triacetate lenses are impact and scratch resistant, lightweight and durable!· Product Dimensionâ?? Lens Width: 48 mm, Lens height: 40 mm, Temple Length: 149 mm, Nose Bridge: 20 mm· Hight Quality Materials â?? our sunglasses is made of high quality metal material and durable enough for long time using.