1.Silicone has various colours: Red Blue Black & etc (you could chose your requirement color,thanks.) 2.Brand New / Low Price 3.Working temperature: -60~260 degrees 4.Working Pressure: 0.3 to 0.9 Mpa 5.Busting Pressure: 2Mpa 6.Thickness: 2mm to 5mm , 3~4-ply 7.Size Tolerance: +/- 0.5mm 8.High Quality Silicone hose kit