Easily brew loose leaf tea. Now you can change into an old tea bag and enjoy fresh tea with all flavors. Equipped with hooks to hang on the teapot. The extra hook can let the ball hang on the teapot or the handle of the teapot, and when your herb is fully steeped, it can be easily removed. Made of 304 stainless steel. It will not rust and will not let you down! The prospect of using in the next few years. (The material of the fixing nail is not stainless steel, but aluminum). Applicable size: 4.5cm in diameter. Package includes: 15PCS X Tea Ball Filter.