The U.S. Postal Service is reversing course a day after placing a ban on all inbound mail and packages from China and Hong Kong. The post office announced Tuesday that it would no longer accept parcels from the China and Hong Kong after the U.

The US Postal Service decision, which takes effect immediately, is a potential blow to Chinese online retailers such as Shein and Temu.

The Postal Service will continue to accept parcels from Hong Kong and China despite a new executive order that will require greater inspection of packages.