Uncle Lee's Premium Organic Matcha Green Tea (camellia sinensis) comes from the high mountains in the Fujian Province in China and is grown without pesticides, with natural fertilizer and with consideration for the preservation of the ecosystem. The caffeine content of our organic green tea is below industry average at approximately 20 to 40 mg of caffeine per cup. This tea comes in oxygen-bleached single-serving sachets for a wholesome way to steep. Packaged in a 40-count box, this pack size is a great value to your everyday tea drinking.