JOVAKIT Polygon Blue Light Blocking Glasses for Women Men Vintage Octagon Square Non-prescription Metal Eyeglasses About this item ? ULTRA-LIGHT AND ULTRA-THIN FRAMES - These JOVAKIT blue light glasses are made of ultra-thin stainless-steel materials, the frames are super light but very strong. These weights are only 21g, so you will feel very comfortable and no pressure on your nose. ? PROTECTION FOR YOUR EYES - JOVAKIT's blue light glasses can protection your eyes, alleviates visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights. Antiblue ray lenses can filter 100% harmful blue light, help stably generating of melatonin guarantees sleep quality. ? CLASSIC FASHION STYLE ?A trendy pair of geometric blue light glasses that make for the perfect accessory while protecting your eyes. The polygon geometry shape of the frames makes it standout while the overall look remains understated. With exceptional quality, performance and comfort, great for Computer Reading, looking TV, and playing games, or used as party, cosplay costume accessories. An affordable pair of sunglasses to add to your style collection. ? PRODUCT SIZE ? Lens Width: 50mm, Frame Height: 47mm, Nose Bridge: 19mm, Frame Width: 133mm, Temple Length: 134mm, Net Weight: 21g.