FRAME FEATURES: PO3007VM feature a square, black frame with flex hinges. PRESCRIPTION READY EYEGLASS FRAMES: Persol eyeglass frames feature lenses that need to be replaced with prescription lenses so you can enjoy clear vision. PROTECTIVE CASE INCLUDED: This pair of Persol sunglasses come with a protective case, to protect your sunglasses from scratches and damage. VISIT THE PERSOL BRAND SHOP: Click on the Persol logo above to view the full Persol sunglass and eyewear assortment.