Fast-fashion giant Shein Group Ltd. raised US prices of its products from dresses to kitchenware ahead of imminent tariffs on small parcels, in an early sign of the potential effect of the trade war on American consumers.

Shein Group, the fast-fashion heavyweight, has quietly raised prices across a range of products in the United States, from dresses to kitchen supplies, as looming tariffs on small shipments from China threaten to hit American wallets,