There are an average of 5 milligrams of caffeine in one Lipton black decaf tea bag. In one bag of Lipton decaf green tea, there are 4 milligrams of caffeine.
There are 55 milligrams of caffeine in one regular Lipton black tea bag, and 35 milligrams in one regular green tea bag.
Many brands of decaffeinated teas and coffee do contain small amounts of caffeine. In most brands of caffeine-free products, 90 percent of the caffeine has been removed.
There are some decaffeinated teas on the market that are completely free of caffeine. The caffeine content is normally found on the packaging of the product.