These fleur de lis on blue crest cufflinks are a great accompaniment to any outfit be it formal or casual for a unique individual. Quality materials that will last a lifetime, they come presented in a black velvet bag for safe keeping. The fleur-de-lis (plural: fleurs-de-lis) or flower-de-luce is a stylized lily (in French, fleur means "flower", and lis means "lily") that is used as a decorative design or symbol.