Michael Costello x REVOLVE Valeria Mini Dress in Mustard. - size S (also in XS) Michael Costello x REVOLVE Valeria Mini Dress in Mustard. - size S (also in XS) 100% poly. Hand wash cold. Fully lined. Hidden back zipper closure. Ruched shoulder with zipper closure at cuff. Satin fabric with ruffle trim. Imported. MELR-WD305. MCD345 S20.