Celestial Seasonings Green Tea K-Cup® Pod refills put the healthful power of traditional green tea a button push away thanks to your single serve hot beverage machine. Green tea is rich in natural cancer-fighting antioxidants while being lighter in caffeine than many other teas. Celestial Seasonings Green Tea K-Cup® Pods make brewing a single cup of Green Tea mess-free by eliminating tea balls and teabags from the brewing process.