It helps no residues left in your tea. The filter is suitable for fine tea (e.g. Herbal tea), coarse tea (e.g. black tea), fruit tea, scented tea, and tea bag. The filter can be removed and the lid will still cover the pot.
The teapot is made of crystal-clear borosilicate glass, which can withstand instant temperature fluctuations from minus 20 ℃ to plus 150 ℃ without cracking. It can be heated on open flame, radiant-cooker, stove and microwave-safe as well.
Healthy and rustproof material makes sure the teapot is durable enough for long-term use.