Size: MEDIUM (137 x 42mm) Polarvation?« Microns-thin, Super-efficient Polarizing Element in the Lens. Wrap around 100% UVA & UVB Protection Hypo-allergenic Crystal Nylon?äó Frame Case, Neck Cord, and Cleaning Cloth Included The?áElement Collection by?áFitovers Eyewear is specifically designed to fit over your Eyeglasses or Reading Glasses. Our Polarvue lens technology offers 100% protection from the sun?ÇÖs harmful UVA/UVB rays. Experience the comfort and convenience of simply grabbing your?áElement styled fit over sunglasses and placing them directly over your eyeglasses or reading glasses.