Inner:100% High quality silicone Cover:silicone Reinforcement:4ply Polyester/Aramid fabric with helix wire Color:Black/Red/Blue/Green/Yellow Characteristic: 100% Virgin silicone materials Provides high pressure resistance and superior impulse resistance. Provides superior oil resistance, heat resistance and aging resistance by using special synthetic rubber Provides superior bonding in hose internal, soft use and small deformation under pressure Provides superior kink resistance and fatigue resistance and longer services life Working Pressure:0.3-1.2MPA Temperature: -40℃ ( -104 ℉ ) to +220℃ (+428 ℉ )