Pu'er tea.

Songpinhao is a century-old Pu'er tea house, and Songpinhao Chenlv refers to Pu'er tea. Because the green mark is the green Nei Fei, and Nei Fei is the identification trademark of Pu'er tea, it is Pu'er tea.

Authentic Pu'er tea is dark green in color. Pu'er tea that is more than five years old will appear black and reddish. At this time, it can become old tea.