One of the factors driving lower prices is that the majority of the goods are inexpensive versions imported to the U.S. from China. Chain Store Age said both services are set to increase prices to help offset increased tariffs on Chinese goods that have climbed to 125%.

Dresses are currently priced at between $6 and $91 on the Shein website. They start at an even lower price on Temu. Now the question is just how much of an increase U.S. shoppers will be willing to tolerate.