? [AQWANO Guarantee] - 100% Satisfaction Guaranteed. We are confident that our product will meet or exceed your expectations. If you are not satisfied with the product, however, we readily offer a 90-Day Money Back Guarantee. Customer satisfaction is our priority. ? [SPRING HINGES FRAME] - Ultra-lightweight frame material for durability and comfortable long-term wear. ? [LIGHTWEIGHT & COMFORTABLE ] - These sun readers & shades made of premium plastic materials that are long lasting. With durable spring hinge temples ensure a comfortable fit without uncomfortable pinching. ? [ ANTI-UV LENS ] - Polycarbonate Lens, Optically Correct and Maximum Precision for Long Term Comfort Reading, UV400, 100% UVA and UVB Protection. ? [CONVENIENT SET ] - 2PCS of bifocal reading glasse and reading sunglasses give you all day night protection for the great price! Great for home, office, or outdoor use. Keep a pair at your desk, in your bag, and in your favorite reading spots. Never lose your glasses again!.