Solar Shield® REC K 56 ClipOns easily attach to your prescription eyeglasses or readers for convenient polarized sun-protection. REC K rimless clipon is a cateye shape with lightweight and durable design that fits plastic and thicker frames. Gray lens are perfect for everyday use. 100% UVA-UVB lens protection. Scratch-resistant, polarized lenses reduce glare and Gentle Grip® protects glasses. Clear case included.