Half frame stainless steel materials lightweight and durable, metal spring hinges are robust. Adjustable nose pads increase comfort. Metal coating color hard texture is not easy to fall off. Classic square frame style Can adapt to most face types Environmentally friendly material lens, aspherical wear transparent and clear, protect eyes when reading. Standard eye relief and precise magnification to ensure the wearer is not dizzy, can effectively help the eye to read. Gray sun reading glasses for outdoor reading and protection Mix 3 colors (including: black, metal gray, brown, and sun reading glasses), suitable for cars, bedrooms, offices and other places, anytime and Read anywhere.Each pair of glasses is carefully selected to ensure quality