U.S. tariffs could cause the prices of steel and aluminum cans to rise, an increase that may ultimately be passed on to consumers.

“Any steel coming into the United States is going to have a 25% tariff,” he told reporters Sunday on Air Force One as he flew from Florida to New Orleans to attend the Super Bowl. When asked about aluminum, he responded, “aluminum, too” will be subject to the trade penalties.

One of Ukraine’s largest steel plants lies in the country’s industrial east, where Russia’s 3-year invasion of its neighbor threatens to throttle production at any moment.