ˌno-ˈfrills adjective [only before noun] a no-frills product or service includes only basic features and is not of the highest possible quality:
no-frills accommodation [TahlilGaran] Dictionary of Contemporary English ▲
no frills n. phr. A firm or product that offers no extras; a generic product that carries no expensive label.
We went on a no frills trip to Europe with few luxuries. [TahlilGaran] English Idioms Dictionary ▲