Republican presidential nominee Donald TrumpDonald John TrumpSasse: Trump shouldn't dignify Putin with Helsinki summit Top LGBT group projects message onto Presidential Palace in Helsinki ahead of Trump-Putin summit Hillary Clinton to Trump ahead of Putin summit: 'Do you know which team you play for?' MORE's hats say "Make America Great Again," but Hillary ClintonHillary Diane Rodham ClintonHillary Clinton to Trump ahead of Putin summit: 'Do you know which team you play for?' 10 things we learned from Peter Strzok's congressional testimony Get ready for summit with no agenda and calculated risks MORE's campaign is asking why Trump won't make the items he sells in America.

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"He wears it like a crown — Make America Great Again — but Trump made his shirts in Bangladesh, his ties in China and his suits in Mexico," says a narrator in a 30-second video ad. 

"So don't believe the hat. You can't make America great again if you don't make things in America." 

The ad is set to air in the key battleground states of Pennsylvania, Iowa, Ohio, North Carolina and Florida.

The clip is just the latest attack by Clinton on Trump's business record. The Democratic nominee frequently hits Trump on the campaign trail for making some of his products in other countries. 

"Now, before he tweets about how he's really one who'll put 'America First' in trade, let's remember where Trump makes many of his own products. Because it's sure not America," Clinton said in a speech Michigan earlier this month.
 
"He's made Trump ties in China and Trump suits in Mexico instead of here in Michigan. He keeps saying it's not possible to make these things in America anymore. That's just wrong."