Sequin

A sequin () is a small, typically shiny, generally disk-shaped ornament.
Sequins are also referred to as paillettes, spangles, or diamanté (also spelled diamante). Although the words sequins, paillettes, lentejuelas, and spangles can be used interchangeably, diamanté (literally "set with diamonds") is both an adjective and a plural-only noun, which specifically refers to diamond-shaped sequins and can also be used to mean "artificial diamonds", which serve the same purpose as sequins.
In costuming, sequins have a center hole, while... plus