Feature 1 [Blue Light Blocking] Over 99% of harmful blue light between 400nm and 500nm is blocked using advanced anti-UV materials and multi-layer coating technology. Feature 2 [PC Nose Clip] These blue light blocking glasses include a PC material nose pad for a comfortable fit and added wearing stability. Feature 3 [Frosted Edges] The lens edges are finished with a frosted polishing process to help reduce the risk of scratches. Feature 4 [Wide Range of Uses] Designed for individuals who frequently use digital screens, these glasses help reduce eye strain from prolonged exposure to blue light emitted by computers, cell phones, and other electronic devices. Feature 5 [Compact and Lightweight] These blue light blocking glasses are small, lightweight, and easy to carry, making them convenient for everyday use. Item Type: Blue Light Blocking Glasses Material: PC Lens Material: PC Polyester Blue Light Blocking Range: 400–500nm Package List: 1 x Blue Light Blocking Glasses 1 x Storage Box 1 x Cleaning Cloth