Costa Del Mar Mag Bay Sunglasses Frame Material : Plastic / Lens Material : 580Plastic Frame & Lens Color : Shiny Black/Green Mirror 580Plastic Polarized with Copper Base Lens Polycarbonate & Trivex are your lightest and most durable lens material options You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!