ZKESS Women's Cocktail Club One-shoulder Ruffle Crop Top Medium Size Black Material : Polyester + Spandex Ruffles, Zip Season: Summer,Spring,Autumn,Winter Machine Washable/Cold Water Small is US 4-6, medium is 8-10, large is 12-14 Plz check you buy from "Zkess", All our items are checked by our QC before shipping out,plz purchase with confidence