Product Description Designed for reading fine print in the kitchen, Used for reading cookbooks, measuring instruments and dials. Tough black nylon frames with rubber nose and ear pads. Built in bifocal magnifier at the bottom of the chef's glass. Shatterproof polycarbonate lenses with anti-fog venting between the frame and the lens. Fits all size faces 3.50 diopter. From the Manufacturer Specialized Safety Products (SSP Eyewear) is a national wholesaler of quality eyewear located in Moses Lake, Washington. Our Mission is to educate consumers that safety eyewear is necessary, not just on the jobsite and sporting activities, but also in day-to day life. We offer perfect protection for for other outdoor activities such as: motorcycle riding, mountain biking, skateboarding, rollerblading, skydiving, shooting, paint ball and any other extreme sports where advanced eye protection is important. It is possible to have all of the comfort and eye appeal of a sunglass with the protection of a safety glass. Specialized Safety Products LLC is committed to creating safety sunglasses that provide exceptional protection, great styles, coordinated colors and superior fit. We are creating fashions in the safety industry!