【MATERIAL:】 TR90 frame + PC lens; Lightweight and flexible,strong and not easily deformed, comfortable to wear 【DESIGN:】 Square frame design keeps you looking professional and stylish while working or playing video games 【FEATURES: 】1. UV400 protection; 2.Anti blue light; 3. Spring hinge ; 4. Flexible CP temple ; 5.Unisex style and Fashion look 【WHAT YOU CAN GET: 】1.REDUCE EYESTRAIN - blue light blocking, relieving eye fatigue, dry and vision falling;2.BETTER SLEEP-Reduce eye strain and headache, so you can enjoy a restful deeper sleep; 3. ENJOY YOUR DIGITAL TIME-NO worry about eye fatigue, blurred vision and headache when you watching TV and looking at computer 【SERVICE:】 BEDO always adhere to supply highest quality products and best service to our clients. We promise 100% satisfaction guarantee to our customers.If you have any problems about our product, please feel free to contact us.