The Safety Reading Glasses Blaze is a lightweight wraparound frame made of high quality plastic to ensure durability. Available with magnification from +1.00 to +3.00, these safety glasses feature magnifying lenses which reduce fatigue and eye strain. They also feature a perforated rubber nose piece for increased breathability. Plus, the Blaze has our exclusive permanent anti fog coating technology, which guarantees that the lenses of these reading glasses will never fog. In addition, these reading safety glasses are available in black and meet rigorous industry standards and are ANSI Z87+ approved for optimal protection.