white-label

/W AY1 T L EY0 B AH0 L/
verb
  1. 1

    To sell (another manufacturer's product) in this manner.

adjective
  1. 1

    Describing a non-branded product manufactured by one company and sold by another, especially by a supermarket as a basic or economic alternative to a branded product.

Source: https://en.wiktionary.org/wiki/white-label