... made of high quality ABS material and supported with aluminum .It is UV-resistant,durable ,non-break,and safe ... . Material :ABS with aluminum BackColor :white ,blue ,grey,green,dark green,orangePieces per ... is made of high quality ABS material and supported with aluminum .It is UV-resistant ,durable ,non-break ,and ... 180mm 200mm 250mm 300mm Gutter Bar With Aluminum Back