[100% Satisfaction Guarantted]If you are not satisfied with our kids blue light glasses ,please return them for a full refund in any time.You can not only get High-Quality products but also enjoy the satisfactory service from us.Please feel free to contact us for any questions.We will appreciate your advice. [LightWeight,Durable] DYLB kids anti blue light glasses are made of light weight TR90 material. The flexible computer glasses can fit kids well, the durable and light weight frame don't make kids feel uncomfortable after long-time wearing. [Clear Transparent TR90 Frame] The Novel Clear Transparent frame make the kids look fashionable and unique. The cute and stylish style of blue light filter glasses make kids have more initiative to wear them.The kids look adorable when wearing them. [Reduce Eyestarin,Better Life] Long time exposure to harmful blue light will cause headaches, eyestrain and sleep disorder. DYLB Computer glasses for kids can alleviate the uncomfortable feelings. Feel more at ease for the extended screen time kids are exposed daily. [Kids Blue Light Blocking Protection] blue light glasses for kids girls boys can block harmful blue light with UV400 protection when kids on Screen time such as using ipad or playing computer games.A useful kids blue light glasses should be chosen to protect kids' eyes and improve their sleep quality. kids will be getting fewer headaches from eye strain.