Metropolitan Tea Discovery Loose Tea Pack, Lapsang Souchong China Black, 100gm Discovery Loose Tea Packs contains enough tea to make 35 to 50 cups per pack and are available in 64 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 Luxury Loose Leaf Tea