Marc By Marc Jacobs MMJ 474/S Sunglasses | FREE Shipping 。Marc Jacobs sunglasses, the MARC 639/S, with the PJP/9O indicating a transparent blue acetate frame and gray gradient lenses. These unisex glasses feature a classic, retro design and are made from durable and hypoallergenic acetate. Key details for the MARC 639/S PJP/9O: Frame Color: Transparent Blue Lens Color: Gray Gradient Frame Material: Acetate Lens Material: Plastic Design: Unisex, with a flat-top, full-rimmed, acetate frame Included Accessories: Authentic packaging, case, and lens cloth may be included