Secondly, if you repeatedly make tea bags or put them in cups and don't take them out, other elements (theaflavins/theabrownins) in tea will be released, which will make tea bitter and affect the taste.
Lipton tea bag is designed to make you drink delicious tea quickly, instead of waiting for a long time like drinking loose tea. In addition, for black tea, you can add milk, lemon, or sugar according to your own taste after soaking, and then add a few biscuits to really enjoy the taste of black tea!