Feature 1[Blue Light Blocking] Over 99% of harmful blue light between 400NM and 500NM is blocked by a variety of different anti UV materials and multi layer coating technology. 2[PC Nose Clip] These blue light glasses are equipped with PC material nose clip, which allows you to wear comfortably and take care of your eyes. 3[Frosted Edges] The edges of the lenses of our glasses are polished with a frosting process to reject the risk of scratches. 4[Wide Range of Uses] These blue light glasses can be used for people who often need to use cell phones and computers to prevent radiation, blue light and eye strain. 5[Small and Portable] The anti blue light glasses are compact, lightweight, easy to carry and use, and very effective.Item Type: Blue Light Blocking GlassesMaterial: PCLens Material: PC polyesterAnti Blue Light Range: 400-500nm .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Blue Light Blocking Glasses1 x Storage Box1 x Cleaning Cloth Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!