Product Description BINI Optical Manufacturing Co.is a market leader in the design, manufacture and distribution of fashion, sports and performance eyewear with high technical and stylistic quality. NATURAL GLASS=NATURAL VISION By absorbing 85% of visible light and blocking out most of the blue light, the Natural Glass lenses ensure better clarity of vision and remarkable color contrast, providing a more 'natural vision'. Consumers will also like the fact that they are more exceptional scratch resistance than comparable plastics. UNVARNISHED NYLON FRAMES Unvarnished nylon frames: The traditional nylon frame is colored by spraying paint/varnish and essential oil on the outer layer to complete the coloring and polishing. BNUS uses plant pigments, which are cured at high temperatures when nylon materials are molded, without any harmful substances, chemical residues, and better oxidation resistance. You don’t even have to worry about pet bites or accidental eating, of course, you may lose a pair of glasses 1.8 INDEX The reduction in thickness brings an immediate improvement in appearance and visual comfort. Conventional lenses are all about blocking the sun, making you see less. B.N.U.S lenses help you see more — more detail, more depth and more definition. We achieve it by optimizing lenses for specific environments. . Frame Material Nylon Metal / Titanium Nylon Nylon Lens Material Glass Glass Glass Glass Size 60mm-15mm-130mm 54mm-20mm-138mm 62mm-17mm-140mm 50mm-22mm-138mm Department Unisex Unisex Unisex Unisex