Make the perfect cup of tea every time with this direct immersion tea maker. To use, place loose tea into the brewing chamber. Add pre-heated water and close the lid to steep. When placed on top of your favorite mug, the valve releases the tea directly into your cup. When finished, lift the immersion tea maker off from the mug and the valve will automatically close. Filter prevents loose tea from passing through the opening. It couldn’t be easier and more efficient! Holds approximately 450ml.