The tea strainer has excellent air tightness, and the tea leaves will not leak during brewing. The chain at the top is long enough to hang the tea strainer in a kettle or mug. There is a hook at the end of the chain which can be connected to the rim of the cup The tea strainer is easy to clean and can be cleaned in the dishwasher. Open the tea ball and rinse both parts under running water. Please wipe after cleaning for better maintenance The tea strainer ball is suitable for teapots, tea cups, coffee cups, soup pots, etc., and also suitable for flavoring spices and herbs, etc. < br> This tea strainer is ideal for any tea lover and is the perfect gift for holidays and special occasions.