LensCovers Sunglasses Wear Over Prescription Glasses, Size Medium, Polarized plastic frame plastic lens polarized Lens width: 5.5 inches LensCovers are UV400, 100% UVA and UVB and polarized for your eye protection! Only LensCovers have been certified to meet ISO 12312-1:2013 quality standards. Available upon request. LensCovers are available in Extra Small, Small, Medium, Large Slim and Large. Each of the 5 LensCovers sizes are listed separately on Amazon. Each listing has an assortment of stylish frame colors and lenses. See measuring instructions below or the image with measuring diagram for selecting proper fit. A new easy printable measuring guide that allows you to place your prescription glasses into the LensCovers frames is now available, to get your copy: click on the Sold by LensCovers - EZ Tofu Press and Fulfilled by Amazon hyperlink. Then click on Ask a question button and request a copy. LensCovers fit over men, women, and children's prescription glasses! Side Lens for better peripheral vision and eye protection. Italian inspired design is stylish and fashionable. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!