This quality tea infuser/strainer/ball will allow loose tea leaves to fully expand while steeping, ensuring a delightful cup of tea A stainless steel tea ball infuser is the ideal way to infuse fresh, aromatic flavors into each cup of tea, as well. Fine mesh 1 mm with hook and latch design. 2.2 inch. Made of premium 304 stainless steel, durable and rust proof. Superb for tea spices. Not suitable for very fine tea or tea dust.