BLUE LIGHT BLOCKER & REPLACEABLE LENSES – Reduce symptoms of eyestrain during prolonged computer exposure. These glasses are best used for long hours of computer use to maintain natural sleep patterns and eye protection. The original lenses can be replaced with your prescription lenses at any store. | HIGH-QUALITY MATERIALS – These SojoS round blue light blocking glasses are made of high-quality plastic frames, anti-blue lenses, European style nose pads, solid metal hinges, all the details ensuring you a long time using. These glasses are suitable for both men and women and suitable for any climate and weather conditions. | UNIQUE FASHION DESIGN – These blue light blocking glasses bring you a timeless trendy appearance, and can go with various face shapes and hairstyles. You can wear our glasses for long periods in front of digital screens or your upcoming trip out of town. | PRODUCT DIMENSION – Lens Width: 51mm(2.01inches) | Lens Height: 47mm(1.85inches) | Temple Length: 147mm(5.79inches) | Nose Bridge: 22mm(0.87inches). | GIFT IDEAS PACKAGE – Blue light blocking glasses*1, microfiber pouch*1, microfiber glasses cleaning cloth*1, glasses box*1. It is also a gift packaged ready, making it a wonderful yet practical gift idea for friends and family!