An unglazed Japanese earthenware, developed in the Tumulus/Kofun period of the 4th century AD, derived from the Yayoi tradition and influenced by Sue-ware shapes in the 5th century. Early Haji pottery is characterized by the appearance of ceremonial vessels that are homogenous throughout a wide area, along with domestic vessels made in local styles. After the wheel-made, kiln-fired Sue pottery was introduced in the 5th century, only domestic vessels were made in Hajii ware, and from the 8th century onwards Hajii pottery, too, was made on the potter's wheel. A rust-red earthenware, Haji ware is baked in oxidizing fires. Shapes unknown to the Yayoi culture appeared in Haji ware, however, such as small, globular jars and wide-rimmed pots. Although the surfaces of Haji pieces are finely finished, both their form and firing lack the refinement of Yayoi pottery.