Dresden Vision - At Dresden Vision we do one frame style. It's designed to flatter all face types, fit securely, and never go out of style! Confused about which size to get? Check out our guide here [https://prf.hn/click/camref:1101l 7uaQ/creativeref:1100l 42201/destination:https://dresden.vision/assets/Pdfs/dresden-frame-size-guide-nov 2017.pdf]Our frames are 100% made in Australia from Grilamid TR-90, an ultra-durable, lightweight and recyclable nylon. We offer a 10 year warranty on all frames. If your Dresden frames break you can send them in or come and visit us - we'll replace them on the spot!These glasses filter blue violet light. Studies have shown that wearing blue light filter glasses can improve the quality and length of your sleep [https://prf.hn/click/camref:1101l 7uaQ/creativeref:1100l 42201/destination:https://hbr.org/2020/10/will-blue-light-glasses-improve-your-sleep]All Dresden glasses come with: Cleaning cloth Spare pins A 10 year warranty on frames