30 days refund There may be a little error in the size of the glasses measured manually, which is normal. In addition, there will always be some unpredictable situations in the process of delivering products to you, and we will provide you with risk-free after-sales protection. If you have any questions about the product, please feel free to contact us. We will solve your problems, and customer satisfaction is the purpose of our efforts. Rescue our eyes✓ We look at mobile phone screens, tablets, game consoles, TVs, etc. for a long time every day. The anti-blue glasses are upgraded from ordinary computer glasses, which are very suitable for those who have eyestrain, pain, and redness. You will notice the difference. It is worthwhile to use electronic screens to avoid eye fatigue. Non prescription glasses for women are suitable for men and women. Don't worry about eye pain, blurred vision and headaches. Improve sleep✓ Monitors are harmful to health, long-term exposure to blue light will slow down or stop the production of melatonin, which will have a negative impact on sleep. Wearing computer glasses can prevent this situation and provide you with a better sleep, allowing you to enjoy your work and life time. Value for money three sets of blue light glasses✓ 3 sets of blue light blocking glasses can be easily placed in the bag or all the areas you need, so that you can wear a pair of blue light glasses men anytime and anywhere to protect your eyes from harmful blue light. Unique fashion style frame, retro square, timeless, suitable for computer/mobile phone/TV/outdoor activities. Comfortable to wear✓ Ultra-light and low friction. There is no need to worry about the damage to the face caused by the frame damage and friction when wearing it. Even if it is worn for a long time, it will not leave a mark, release facial pressure and enjoy long Time to wear this zero burden experience of presbyopia. One-piece nose pads can prevent nose deformation, and improve comfort. These blue light glasses for women also use an enhanced metal hinge construction to ensure durability. Arm: 5.43 inches. Bridge: 0.63 inches. Lens width: 2.01 inches. Non Polarized. Resin lens. TR90 frame. Imported.