speaker part 1. Model number :CX300-333-U50 2. Edge : rubber 3.Color : gray 4. On time delivery and splendid quality. SPEAKER PART Edge material: Cloth, Pressed Foam, pressed RubberSize: 4, 5, 6, 6x9, 8, 10, 12, 15According to client's requirements.Beautiful color, splendid quality. Best price and best serve Please contact us for your requirements. SPEAKER PART