This cup has an outwardly curved rim and a deep, wide belly. The white body is thin and light, and glazed on the inside and outside. The glaze is evenly applied, but there are some tear-stains where it ran towards the round foot during the firing process, leaving a slightly thicker coating of a faint celadon hue. Both the outer and inner walls show some fine crackling, and the surface of the glazing has a particularly vitreous texture and luster, while the coloring is smooth and pure. These features are all proof of the high level of craftsmanship reached during the Sui Dynasty, in particular in the production of white ceramics, where its standards are still unsurpassed.