mix-and-match

[ miks-uh n-mach ]
/ ˈmɪks ənˈmætʃ /

adjective

made up of complementary elements taken from different sets or sources: a mix-and-match approach to interior decoration.

verb (used with or without object)

to combine in a harmonious or interesting way, as articles of clothing in an ensemble.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019