That’s thanks to a decision by US President Donald Trump to close a tariff loophole for “de minimis” merchandise from mainland China and Hong Kong from May 2. The phrase — which loosely translates as “too small to matter” — refers to small packages that are shipped directly to consumers from abroad,

President Donald Trump has closed a tariff loophole that allowed Chinese e-commerce giants like Shein and Temu to sell low-cost goods in the U.S. without paying duties—a move that is expected to drive up prices for American consumers.

Supporters say the change is important to stop cheap Chinese goods from entering the U.S. But the decision could drive up prices for goods Americans buy online.