their parents were televangel t televangelists who sold herbal pills on tv. >> everybody that has lifebe on the colon cleanses -- >> reporter: diamond and silk sell merchandise on their website and feature it prominently on their webcasts like these bling mugs for $2 and hoodies for $55. >> how's business since you've been involved with donald trump? >> well -- i guess it's okay. >> i tell you one thing, we employ some folks. >> that's right. because our stuff is made right here in america. >> reporter: products made in america, something trump himself has boasted about with his own campaign merchandise. "nightline" look the at trump's campaign filings and found the campaign has paid more than $2 million to a-specialties, a promotional product companies that supplies merchandise made in the u.s. and sold by the trump campaign. we called ace specialties and a salesperson said the company also supplies merchandise for diamond and silk. >> and this is going to be our next president of these united states! >> reporter: when "nightline" followed up for more information about their work with