This is a specialty flavored tea product from Taiwan. It consists of 12 single-serve sachets containing a blend of green tea leaves and gardenia (zh? zi / ??) flowers or flavor. Gardenia adds a delicate, sweet, floral, and slightly fruity aroma to the green tea. It is likely a loose-leaf or tea bag style product for brewing hot or cold tea, offering a fragrant, soothing herbal-green tea experience.