This tea set is made of Tokoname clay. Tokoname clay is a very famous clay that has rich minerals and comes only from Japan. This clay is not as porous as some of the other clay, which means it will take a little bit longer time to season this type of teapot. This will soften your water and the flavor of your green tea. Perfect for brewing a strong flavor type of Japanese Sencha and other Japanese teas. Great housewarming gift, a gift for the home. ?Set contains:? - 1 teapot (ky?su) - 370ml - 2 cups - 120ml each A ky?su is a traditional handmade Japanese teapot mainly used for brewing green tea. In addition to being easy to hold and comfortable to pour, the reason why Tokoname Yaki ky?su is widely trusted is the sophistication of this teapot. It is a traditional technique that Tokoname ware teapots are proud of. This ky?su is the most luxurious. It is created by hand by craftsmen. The clay absorbs the flavor of your tea and, over time, will improve the flavor of your green tea. Do not wash it with soap because the soap itself might be absorbed into your teapot and get imparted into the flavor of your tea. And try to use it to brew only green tea??no other teas, and certainly not a clashing type of tea like an herbal. The more you use this teapot, the better your green tea will taste. When used properly, the natural clay will also reduce the astringency and improve the sweetness of your green tea. ?How to brew tea in a ky?su? 1. Measure approximately 1 tbl spoon or 10g of tea and add to the Kyusu 2. Bring water to a boil then add to your empty teacup and allow to cool to 170F. Boiling the water before brewing purifies the water and can help remove any chlorine or other adverse flavors. 3. Pour the water over the tea leaving about 1/4 inch of space below the rim of the teapot. 4. Infuse the tea for about 45 seconds on the first infusion. 5. Rock the teapot to ensure an even infusion and steady flow. 6. To serve politely the cup is shown on all four sides and served with the best side forward. 7. For the second infusion repeat these steps and infuse for about 15 seconds.