This Pu-erh Tea Cake is 12.5 oz (357g) and made in 2017.
It made in Meng Hai Tea Factory (Yunnan, China). 
Pu-erh Tea is a variety of fermented tea.  It has earthy smell and smooth, nutty taste. Pe-erh tea has greater health benefits than other teas. Pu-erh tea goes through a special fermentation process that makes it very beneficial to the digestive system.