Non Polarized Lenses - Made for those conditions that the polarized lenses can't help, like read your car's dashboard or your phone or other screens while you wearing sunglasses outside, no rainbow effect
Premium Polycarbonate Lenses - Lightweight & shatterproof, these lenses are impact resistant and offer perfect clarity of vision
Metal Clips w/ Big Tap & Lens Flip Up Design - Firm & sturdy fit, premium metal clips are non-shrinking, impact and shatter-proof; flip up design is useful & convenient
Easy to Use & Fits Most Frames - Clip on your prescription eyeglasses, fits both Metal and Plastic frames (not for double bridge frames); just clip on and go, say no to expensive prescription sunglasses