Metropolitan Tea Discovery Artisan Flowering Tea Pack, Oolong Mystere Discovery Artisan Packs contain 3 flower teas per pack and are available in 16 types Packed in a nitrogen Flushed bag that is constructed with a reseal able zip lock top Nitrogen keeps the tea fresh for up to 8 years in an unopened pack Small batch packed in a HACCP facility in Canada For best results prepare in a glass teapot (without infuser)