NanoVista Boing sunglasses are designed for children aged 10 to 14, combining protection, comfort, and style.. The lenses feature Blue Block technology, which filters harmful blue light and helps reduce visual fatigue caused by electronic devices.. They also include an anti-reflective coating that enhances vision, along with mirrored lenses that offer a modern look and extra protection against UV rays.. Made from Somflex™ material — lightweight, flexible, and durable — they’re ideal for kids’ everyday use and feature an ergonomic design for a secure and comfortable fit.. The lens width is 49 mm, the bridge is 17 mm, and the temple arms measure 125 mm. The front width is 116 mm.. Condition: new with tags and warranty certificate. - Model: NANOVISTA BOING NS52334 - Shape: rectangular - Frame material: acetate - Frame color: Blue - Product code: NS52334- Lens color:grey - Size: 49. EAN: 8435449108864