1.Name:Qinzhou Nixing Pottery Kung Fu Tea Cups Home Office Simple MiniTea Water Cup 2.Material: Pottery (non-toxic, include kinds of micro elements benefit for us such as Se, Fe and Zi etc.) 3.Technique: Pure handmade, Hand carving, Hand throwing. 4.Features: Good air permeability and tightness; it can storage tea overnight but no mildew. 5.Applicable Tea: Oolong Tea, Puer Tea, Green Tea, Flower Tea, Black Tea etc.