【Special Frame Designed for Kids】 Adopting a highly flexible special frame!! We've heard concerns about children easily breaking their glasses, so we've created a frame made of a soft material that is less likely to break, even with rough handling by children. 【Detailed Blue Light Cut Rate】 ・UV Protection Rate: 99% ・Blue Light Cut Rate: Maximum 98% (380-500nm) ・Average Blue Light Cut Rate: Approximately 41.1% (380nm-500nm) ・HEV Cut Rate: Approximately 78.5% (380nm-420nm) ・Blue Light Hazard Cut Rate: 20.6% 【Age Range Guide】 Boys and Girls, 4 to 12 years old 【Product Details】 Material: Special Silicone Weight: 13.3g ※For protection from PCs, gaming devices, smartphones, etc. only. ※Glasses case not included.