Features:_x000D_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 children39;s eyesight when they using a computer, tablet or smart phone._x000D_2. Digital screen can emit bright blue light that cause eye strain even dizziness, using this blue light blocking glasses will reduce eye strain. _x000D_3. If your kids use computer or smartphone regularly or read a book, these glasses is your best choice for your kids_x000D_4. Anti harmful blue light, provide all-day protection, against the detrimental effect high energy visible blue light and UV400. Better sleeping for your kids, care for your eyes and guardian for your health. _x000D_5. Lens width:52mm, total width 125mm, nose bridge width 15mm, height 45cm, temple length 128mm, unisex style suitable for both boys and girls._x000D_Notice:_x000D_1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement._x000D_Specification:_x000D_Type: Children39;s Anti Blue Light Glasses_x000D_Material: PCAC lens_x000D_Size: lens width:52mm, total width 125mm, nose bridge width 15mm, height 45cm, temple length 128mm, as picture showPackage List:_x000D_1 x Anti Blue Light Glasses