1) FRP rectangular tube 2) Any colors are available 3) Size: 50x30x3, 101.6x3.2x50.8x6.35, 87x32x4,87X32X6.4,65.0X30.0X3.0 1) FRP rectangular tube2) Any colors are available3) Size: 50x30x3, 101.6x3.2x50.8x6.35, 87x32x4,87X32X6.4,65.0X30.0X3.0mm, 63.5x37.0x3.5mm4) Unit length are also on your request, It could be from several millimeters to more than 30 kilometers.