TR90 Blue Light Blocking Reading Glasses Unisex Eyeglasses Product Features metal frame Composite lens non-polarized Lens width: 50 millimeters DIMENSION: Lens width:50MM, Bridge width:17MM, Arm length:141MM LIGHT TR90 MATERIAL--Super lightweight and flexible frame, pressure-free on the nose and ears TIJN BLUE LIGHT BLOCKING LENS can effectively block ultraviolet radiation, provide 100% UV400 protection and filter harmful blue light, it is suitable for use when watching TV and look at computer Wide range of reading glasses strengths to suit most of peoples, perfect for prescription eyewear frames QUALITY ASSURANCE: 30 days quality guarantee. If there are any problems, please contact me in time Product Description ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Our stock all ships from our US-based warehouses.Shipped via UPS or USPS(depending on location and package weight) Unless stated otherwise, all orders will ship within 24 hours of your payment being processed.Check our feedback to see the great reviews of FAST shipping we offer.Shipping is always FREE If you are not 100% satisfied with your purchase, you can return the product and get a full refund or exchange the product for another one, be it similar or not. You can return a product for up to 30 days from the date you purchased it. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. If you have any queries, please contact us via eCRATER. We usually respond within 24 hours on weekdays. Thank you for visiting our eCRATER store!