This taste neutral permanent tea filter from Westmark is suitable for black, fruit and herbal teas. It has a stainless steel mesh. The filter has an overall length of 8cm/3.1in with a lower diameter of 5cm/2in and an upper diameter of 7cm/2.8in. The lid can be used as a drip tray. It is easy to clean. The filter is dishwasher safe and comes with a 2 year guarantee from Westmark.