Copper tea strainer is a tiny, fine-mesh strainer with a copper finish is used to make tea. Infuser for tea is another name for it. Loose tea leaves are put to the strainer, which is then placed in a teacup or teapot. The strainer keeps the tea leaves from floating in the cup or pot and allows them to steep in the hot water. Copper tea strainer is taken off when the tea is prepared for consumption after the chosen brewing period.