The "bags" that they're alluding to are "Tea Forté" - but they're carefully avoiding naming names. It's pretty easy to tell that the material is plastic. It's

The "bags" that they're alluding to are "Tea Forté" - but they're carefully avoiding naming names. It's pretty easy to tell that the material is plastic. It's loose tea in a finely perforated plastic pyramid with a paper leaf on top as a handle. They're marketed to people willing to pay extra for the appearance of the bag.