Sellers and shoppers on the two sites say they saw items disappear and prices go up after President Donald Trump implemented tariffs on Chinese imports.

Yes, this change will likely affect online shopping sites like Shein and Temu, which are popular among young U.S. shoppers for their cheap products. These are companies that ship directly from China and rely on affordable postal services to keep prices low.

The Chinese fast-fashion giants will get slapped with a 10% tariff — but the end of a longtime trade loophole could hit them harder.