Purple Pottery Tea Jar HandmadeJump knife Small Sized Porcelain Sealed Storage Jar Tea Container Tea Box 800MLProduct Name: Purple Pottery Jar Craft: Handmade Features: Jianshui purple pottery is one of the four famous ceramics in China. Its clay contains high iron content, which makes the finished products have high hardness, high strength, metal texture on the surface, and the sound of gold and stone when knocking.