Uncle Lee's Imperial Organic Pu-Erh Tea is a tea that undergoes a period of aging. It is the most complex of Chinese teas. Traditionally, all teas were fermented in the manner due to long travel times when they were being exported. In ancient times, round cakes of these teas were used as currency. When brewed, Pu-Erh tea has a dark reddish color with a strong, full and earthy taste.