In the Neolithic age, Dawenkou Culture. The height is 23.5 cm, the caliber is 22 cm, and the bottom diameter is 17.5 cm. It was unearthed at Dawenkou site in Tai'an, Shandong Province in 1959. The food container is made of muddy grey pottery, with a extravagant mouth and an inverted funnel-shaped ring foot, which is decorated with diamond and triangle holes.