Description Net content: 50g Color: black Attribute:+100,+150,+200,+250,+300,+350,+400 Features: 1.Adopt advanced anti-blue light technology to effectively filter harmful blue light, your eyes from electronic screens, and avoid fatigue even after long hours of reading or working. 2.Designed for reading and daily use, lightweight frames with high-definition lenses, comfortable to wear without pressure, suitable for people of ages. 3.A variety of fashionable styles are available, combining functionality and aesthetics, whether it is for study, office or leisure and entertainment, it is your ideal choice. 4.After strict quality inspection, it meets international optical standards, provides a clear view while reducing glare interference and enhancing the visual experience. 5.The portable storage box and microfiber cleaning cloth are given as a gift, which is convenient for carrying and maintenance. It is a high-quality item suitable for both gift giving and personal use. Package includes:1* Blue light blocking reading glasses