【Blue Light Blocking Reading Glasses】- Blue light filter lenses with UV400 protection, anti glare, only block harmful blue light to reduce visual fatigue and discomfort caused by browsing electronic screens such as mobile phones and computers. 【Polycarbonate Clear Lens】- The high-definition lens has almost no color difference, accurate magnification strength, giving you clear vision, no need to worry about blurred vision and headaches, allowing you to have a better sleep and enjoy digital time more. 【Flexible Spring Hinge Design】- Durable frame with adjustable spring hinge, suitable for long-term wearing and very comfortable, the frame with design sense is suitable for any occasion, and the universal size is suitable for most face shapes. 【A Great value of 3 pairs readers】- You will get 3 pairs of square thick frames anti blue light reading glasses, 1 microfiber glasses cloth and 1 glasses pocket. It's good for home, office, or bedside use. Keep a pair at your desk, in your bag, and in your favorite reading spots. 【30 Day Money Back Guarantee】- All JM customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reasonColor: 3 Pack Mixed Color Model Number: ZPTG200946C4-300 Package Quantity: 1 Part Number: ZPTG200946C4-300JM Set of 3 Lightweight Plastic Square Blue Light Reading Glasses for Men Women. Product Detail Frame: thick pc Frame Lenses: blue light Color: black, grey tortoise, tortoise Diopter available: +0.0, +1.0, +1.5, +2.0, +2.5, +3.0, +3.5, +4.0 CLASSY & CONVENIENT Classic design, high quality material, perfect for both men and women, convenient for long time wear without eye strain when reading or working. 3 pack You can get 3 pairs of reading glasses one time, keep a pair at home, work place or anywhere else you may need them, avoid spending times on finding glasses. Package Contain 3 * reading glasses 1 * glasses bag 1 * clean cloth TIPS FOR CLEANING Use a gentle lens solution. To avoid scratches. Never wipe the lens when they're dry (there may be dust or particles). Use Soft materials such as cleaning cloths, Don't use paper towels or other rough materials.