Solar Shield® REC 54 FlipUps™ quickly turn your eyeglasses into a pair of night driving glasses. Attaches at bridge of your eyeglasses and flips up and down. Solar Shield® Night Drivers FlipUps™ are durable, lightweight and have 100% UVA-UVB lens protection. Subtle yellow night driver lens tint helps reduces glare & helps improves contrast. Lenses meet ANSI Z80.3-2010: strictest UV blocking requirements. Passes global traffic light standards. Polycarbonate lens with anti-reflective coating and Gentle Grip® protects glasses. Protective vinyl case included.