Elecom Blue Light Cut Glasses for Kids, Lightweight, Impact Resistant, Unbreakable, Suitable for Upper Elementary School (9-11 years old), L Size, with Storage Pouch, Black G-BUC-W03LBK This is an unused item. The item will be taken out of the box, and the box will be folded for shipping. ・These are blue light対策 glasses that cut "blue light" emitted by displays of smartphones, tablets, game consoles, etc., and protect children's eyes. ・They cut approximately 50% of blue light, reducing the amount of blue light reaching the retina. ・Considering children's safety first, they use impact-resistant, unbreakable lenses, and the nose pads are designed as an integrated part of the frame. ・The temples (the parts of the glasses that support the frame on the face) are made of ultra-lightweight, elastic "TR-90" material, making them less likely to hurt the ears. Size: L size, for upper elementary school students (9-11 years old) Item Weight: 17 grams ■ Lens Material: Plastic ■ Frame Material: Plastic ■ Temple Material: Plastic ■ Visible Light Transmittance: 0.95 ■ Blue Light Cut Rate: 50% ■ Ultraviolet Light Transmittance: 1.0% or less ■ Contents: Glasses, storage bag