Product Features 1. Oval vintage frames are made of high-quality metal and PC materials for durability that will set you apart from the crowd. 2. Unisex style for both men and women. 3. All our lenses have a hard-protective coating, which makes them scratch and impact resistant. BLUE LIGHT BLOCKING GLASSES COMPARE TO NON-BLUE LIGHT BLOCKING GLASSES 1. IGNAEF's blue light blocking glasses can protection your eyes. 2. You can alleviate visual fatigue and discomfort from long periods of web surfing, gaming and working under fluorescent lights with UV400 protection and glare reduction. 3. You can help to filter 99% harmful blue light, help stably generating of melatonin guarantees sleep quality. 4. Colors are not distorted. 5. IGNAEF blue light blocking glasses are very popular style. Tips 1. Do not use paper towels or clothing to clean the sunglasses, otherwise skin may be scratched. 2. Never put glasses under the front window of a car, especially in summer. Prolonged exposure to oven-like temperatures in the car can deteriorate the lens. 3. Exquisite package, it's great gift idea for birthdays, Christmas, Valentine's Day, Father's Day, Mother's Day, Anniversary and other holidays.