Imported composite frame frame Polycarbonate lens Non Polarized Lens width: 52 millimeters Bridge: 14 millimeters Arm: 140 millimeters 【Protect Your Eyes】Blue light blocking glasses have UV400 protection, which can help you resist harmful blue light from computers/mobile phones/digital screens, relieve eye fatigue, blurred vision and headaches, protect your eyes. 【High-Quality Materials】The high-quality material frame is adopted, which is light and durable, and is comfortable to wear. The classic square frame design makes you look fashionable. blue light glasses for women/men different colors can meet the needs of different occasions, and can also be shared with relatives and friends. 【Beneficial to Sleep】Because blue light is everywhere, It also affects the quality of sleep as melatonin production decreases. Our high-quality clear blue light glasses can help you minimize the harmful effects of blue light and take care of your health. 【HD Transparent Lens】Anti-reflective clear lens, high light transmittance, low chromatic aberration, restore the true color, and bring you a good visual experience. It is very suitable for people who watch computers, mobile phones and digital screens for a long time. 【Worry-Free Service】We are committed to providing our customers with high-quality products and high-quality services. If you have any questions about the products, please feel free to contact us. We will provide the best service.