Oolong Tea (also known as Wu Long tea) is from the Wuyi district of Fujian China - also known for its famous Rock Tea. Oolong is semi-fermented, combining the qualities of black (richer taste) and green (antioxidants benefits) teas. Prince of Peace 100% Organic Oolong Tea has a woody aromatic scent and a full-bodied flavor. A typical cup of oolong tea has about 30-40mg of caffeine, and a cup of coffee ranges from 100-180mg. Prince of Peace is a brand you can trust. The company has been providing quality tea products since 1983. The tea leaves are organically grown and certified by IMO Switzerland. Instead of expensive advertising campaigns, they've chosen to pass on the savings to you, and let you tell others of their great products.