... Known for unique press valve designs, control the tea strength, stop pressing, no leaking.2. High ... efficiency filtration to ensure making pure tea.3. Pot is made of food-grade material ... and drink tea or coffee.5. Brew oolong tea, Pu'er, green tea, black tea, flower tea, coffee and all kinds of tea ... bags.6. Used to be at home, in the office, in a trip, in a restaurant, in the teahouse and ...