This is a pair of unisex memory plastic full-rim eyeglasses made from unbreakable TR90.They might be the most comfortable glasses you will ever wear. The frame features in extremely light weight, super-shape-retaining durability and high heat-resistance, bringing you an unpredicted comfort for all day long wear .They also fit large heads well and can protect you from attack during sports and leisure time but just weight up to 50% lighter than acetate frames. Those frames are tailed in stylish throw- back look but also boast attractively refreshing shape and sleek curves. They are the stunning frames that can represent your good taste when matching with your outfit in most occasions. They are also quite suitable for fitting big and comfort glasses for the long time computer users. The total weight with lenses is 19g.