Ray-Ban Warren Bio-based RB4396 Sunglasses are a classic rectangle frame made with bio-acetate having 67% bio-based carbon contnet. RB4396 is designed for all genders and has dark green lenses. The black frame and temples add a sharp edge to this model. Frame Shape - Rectangle Frame color - Polished Black Frame material - Injected Temple color - Black Lens color - Dark Green Treatment - Solid Color Color/Size 6677/7157 ALL SALES ARE FINAL. NO REFUNDS OR EXCHANGES.