These tea ball infusers are the most eco-friendly way to steep the perfect cup of our herbal healing tea. The ball is 2" in diameter and made of a quality mesh and stainless steel that is perfect for re-using and reducing your tea bag waste. There is a metal chain attached They are simple to clean and fit perfectly in a standard mug or teacup. Simply open the ball, fill with tea, latch the clasp back, place the ball into your favorite mug hanging the hook over the side and pour the hot water over the tea ball.