... keep the tea in fresh taste 3.handicraft,chinese culture and nice design purple clay mug 1.Purple ... clay cup can keep the tea and coffee in fresh taste 3 days without ... beautiful shape, it can combine the picture, caliigraphy and engraving together, so it with artistic culture3.The ... does not contain lead, arsenic, cadmium, chromium, and other toxic materials which do harm to human healthy, ...