??30 DAY MONEY BACK GUARANTEE ? In case any broken problem happens, Kursan provides lifetime after sale service for all products, you have no risks to try. ??EXQUISITE PACKING ? Come with High Quality Sunglasses, Microfiber cleaning cloth, Microfiber pouch, Mini Screwdriver. It is also gift packaged ready, making it a wonderful yet practical gift idea for friends and family. ??SKIN FRIENDLY SILICONE NOSE PADS ? These round eyewear use the environmental & skin-friendly silicone materials to make the nose pads. And the design of the nose pads is adjustable which allows for maximum comfort and flexibility. ??REDUCE EYESTRAIN & SLEEP BETTER ? Prolonged exposure to blue light will slowing or stopping the production of melatonin, causing sleep disorders. Blue Light Shield can stop it and provide you with a better night's sleep. ??HIGH QUALITY DESSIGN ? Lightweight metal frame, blue light filter lenses, solid metal hinges, exquisite temples. All the details make Kursan vintage circle eyeglasses become durable enough for long time using and ensure you a perfect performance. ??.