they say the tea bag was invented in 1908 by tea merchant John Sullivan, who decided to pass out his full leaf teas in a hand sewn sack as samples to potential customers
most tea will remain fresh & flavorful for 18 to 24 mo. from the bush, providing they are kept in an air & light-tight container
caffeine & tea based on 6 oz cups: coffee is 60-180 mg, black tea is 25-110 mg, Oolong tea is 12-55 mg & green tea is 8-16 mg