Safety Glasses - Eye protection is essential when you work with glass! The clear, one-piece polycarbonate lens provides protection from glass projectiles, ultraviolet and infrared rays. Features adjustable temples for a custom fit and side shields for wraparound protection. Fireworks Safety Glasses protect with comfort and style. * One-piece polycarbonate lens for superior impact resistance * Extension adjustable temples for a perfect fit * Integrated side shields for added protection * Meets ANSI Z87.1 * UV 400 guards against ultraviolet and infrared rays * Lightweight for comfort and balance * Ideal for stained glass, mosaics, woodworking and flameworking * One Size Fits All!