Specifications of Reservoir Tank:Material: Aluminum AlloyColor: Silver ToneTank Size: 12.5x21.7x8.7cm/4.9x8.5x3.4inType: Coolant Recovery TankReservoir Tank Capacity: 2LPackage: 1 x Radiator Coolant Expansion Tank with Cap, Drain Plug and Level HoseFeatures of Coolant Reservoir :Secure Sealing & Easy Maintenance: A knurled cap with an inner rubber gasket ensures a tight seal against coolant leaks, while a magnetic drain plug at the base allows for quick draining and easy cleaning — helping keep your cooling system in top condition.Radiator Coolant Overflow Reservoir Tank made of stability, corrosion-resistant aluminum alloy, it is not only resistant to high temperatures, but also has a strong sealing property, which can effectively remove stagnant air and steam from the engine, avoid coolant expansion and ruptured radiator tubes.