Nikuman (肉まん; derived from 肉饅頭 niku (meat) manjū) is the Japanese name for the Chinese baozi (包子) made from flour dough, and filled with cooked ground pork, beef or other ingredients. It is a kind of chūka man (中華まん lit. Chinese-style steamed bun) also known in English as pork buns. Nikuman are steamed and often sold as street food. During festivals, they are frequently sold and eaten. From about August or September, through the winter months until roughly the beginning of April, Nikuman are available at convenience stores, where they are kept hot.