Description: BUILT TO LAST – Combines a tough and flexible TR90 frame with shock-resistant PC lenses. Careful craftsmanship ensures the lenses won't pop out easily. With their sleek design, these blue-light-blocking glasses will have you looking stylish regardless of gender or age. FILTERS BLUE LIGHT – Effectively blocks harmful blue light rays, as well as UV rays up to 380 nm. Helps relieve eyestrain, prevent headaches, and regulate your sleep cycle. Perfect for people who spend all day working or studying on their computers, tablets, and phones. MINIMAL COLOR DISTORTION – By combining multiple filtering technologies, the Blue-Light-Blocking Glasses strike a great balance between eye protection and clarity. With a VLT of 90%, these glasses will protect your eyes without affecting your visual experience. ALL-DAY COMFORT – So lightweight (just 20 g) that you might forget you're wearing them. The built-in nose pads provide additional comfort and won't leave indentations on your nose. Best suited for people with an ear-to -ear width of 13-14 cm / 5.1-5.5 in (ie most adults and children over 10). Specifications: Color: blue and black Size: 14.5 * 13.1 * 4cm material: plastic Model: Black & Blue Frame + White Lens; Black Frame + Yellow Lens Type: Blue-blocking Glasses Features: Lightweight Style: modern Suitable for: unisex adult, teenagers and children Function: Relief of headaches / dry eyes Package Include: 1 x Glasses