Purple clay soil is a special natural soil because the clay contains iron. The High Quality Traditional Chinese Purple Clay Tea Mug presents special color because apart from purple mud, there are green mud and red mud. These three kinds of mud are called purple sand mud. They are made in different proportion and different temperature. Purple Clay cups and teapots in China have a history of thousands of years of use, they are the most suitable containers of tea. The cup is fully functional and convenient to use. It is suitable for professional tea ceremony brewing tools and is great for Pu’ erh Tea, Green Tea, Black Tea, Oolong Tea, etc. It’s an excellent choice for home use, traveling and gifting. The color and appearance enhances with the use of the purple clay tea mug. It is genuine, traditional Chinese crafted drink ware.