Features: 1. Blue light blocking lens: Provide 100% UV400 protection blue light blocking. This glasses can cut 99% of the blue light, effectively blocks ultraviolet radiation, protect your children's eyesight when they using a computer, tablet or smart phone. 2. Eye Protection: Digital screen can emit bright blue light that cause eye strain even dizziness, using this blue light blocking glasses will reduce eye strain. 3.Material: The quality material makes the whole frame light weight and does not compress the nose, durable, unique and comfortable to wear, giving you a good visual comfort experience. Comfortable to wear all day. 4. Classical Trendy Glasses: Classic and artistic frame and nice color design lets you look so beautiful. Not only provide more protection for your eyes also let you look much more fashionable. 5. Lens width: 52mm, total width 125mm, nose bridge width 15mm, height 45cm, temple length 128mm, unisex style suitable for both boys and girls. Specification: Type: Reusable Type: Children's Anti Blue Light Glasses Material: PC+AC lens Size: lens width:52mm, total width 125mm, nose bridge width 15mm, height 45cm, temple length 128mm Notes: 1. Due to the lighting effects and shooting angles, there is a color difference in the product, please understand. 2. Due to manual measurement, there is a tolerance in the product size. Include: 1 x Anti Blue Light Glasses