Blue Light Blocking Glasses Anti Eyestrain Eyeglasses Frames Computer Product Features plastic frame plastic lens non-polarized Lens width: 53 millimeters Blue Light Blocking Glasses alleviate discomfort and visual fatigue from long periods of computer use and other bright lights Computer glasses are blue light blocking and reduce glare and strain on your eyes from screens Anti glare glasses for use with computer monitors, phones, any screens and for playing video games These blue light glasses are durable, lightweight, and high quality and will last you through many many comfortable wears High quality scratch resistant lenses for long lasting durability 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!