Duties on China surged to 145% just as fireworks companies were getting their final July Fourth shipments from the country, which makes the vast majority of supplies used in the U.S.

Per Derek Guy, 3sixteen co-founder Andrew Chen told his Instagram followers yesterday how his company (and their prices) will be affected by Trump’s new tariffs: It’s April 5, which means the first of Trump sweeping new tariffs — the baseline global tariff of 10 percent — is now in effect.