Solar Shield® REC B 51 Designer ClipOns easily attach to your prescription eyeglasses or readers for convenient polarized sun-protection. Solar Shield® clipon sunglasses offer 100% UVA-UVB lens protection. REC B rimless clipon is a rectangle shape with lightweight and durable design that fits plastic and thicker frames. Beautiful designer faux crystal accents and gray lenses are perfect for everyday use. Scratch-resistant, polarized lenses reduce glare and Gentle Grip® protects glasses. Clear case included.