How were tea bags invented by accident?

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Neatly planted rows of green tea bushes stretch across rolling fields with Mount Fuji, capped with snow, rising in the background in Japan. — tea Rows of tea (*Camellia sinensis*) growing in Japan, with Mount Fuji in the background.

The invention of the tea bag was an accidental discovery that occurred in the early 20th century. An American tea merchant began sending samples of his tea to customers in small silk bags.1

The customers, misunderstanding the intended purpose of the packaging, assumed the bags were meant to be used as infusers. Instead of removing the tea leaves, they placed the entire silk bag directly into their pots of hot water. This unintended method proved convenient, leading to the widespread adoption of the tea bag as a standard way to prepare the beverage.1