Twinings 6 boxes of 20 bags: Green tea ($12.93), Roobois tea ($13.61)

Not a lot available and not sure if Amazon price will change with orders, so YMMV:

Twinings of London Classic Green Tea Bags 20 Count (Pack of 6): $12.93. Indicates 10 in stock.

Twinings of London Pure Rooibos Red Tea Bags , 20 Count (Pack of 6): $13.61. Indicates 8 left in stock