1. Slim and Thin 2. keep longer time. 3. Tinted for sunglass. 4. High scratch resistance. 5. UC, HC, HMC. Superhydrophobic. Audited Supplier by Alibaba & Intertek1) imported material from Italy. Longer time won't be yellow.2) More easy for tinted the color fur sunglass.3) Diameters: 50mm,55mm, 60mm, 65mm, 70mm,75mm4) Uncoated lens, hard coated and Multi-coating,HCT,Super hard5) progressive,flat ...