https://www.youtube.com/watch?v=0P8D6y7VGUI The body of the kettle is made of heat-resistant glass, which is transparent and visible to observe the changes in the color of the tea. It is suitable for hot and cold tea The lid of the pottery made in Japan has a vent hole to smoothly pour the tea soup. The improved design of the fine tea strainer is made of 18/8 (304) stainless steel, which is not easily deformed. The wide-angle design allows the tea leaves to be fully stretched to fully unfolded. The ultra-fine mesh filter prevents the tea dregs from falling into the tea soup. The pores are not stuck in the tea leaves, so it is very convenient to clean, and it can be cleaned by rinsing with water.