Pu-erh tea shapes

„Pu-erh shape - Tuocha, Bowl, or Nest - A convex knob-shaped tea, its size ranges from 3g to 3 kg or more, with 100g, 250g and 500g being the most common. The name for tuocha is believed to have originated from the round, top-like shape of the pressed tea or from the old tea shipping and trading route of the Tuo River.[16] In ancient times, tuocha cakes may have had holes punched through the center so they could be tied together on a rope for easy transport.“

„tong; 筒 - Literally a barrel or barrel shaped object. A tong in Yunnan tea culture is a bundle of 7 tea cakes wrapped in the outer skin of bamboo which naturally sheds from around the base of the bamboo stem. Each cake weighs 357grams so making a total of 2,499 gm. Said by some to have been calculated in order to remain under a specific legislated weight of 2.5 kg. There were originally said to be 8 cakes in a tong. The 8th being paid as a levy. An earlier unit of weight in China was the liang. A cake of tea weighed 7 liang and 7 cakes in a tong made 49 liang. “