20s Costumes Go back to the roaring 20's in fabulous flapper costumes - a complete selection of women's and plus sizes. Charleston to your heart's content in flirty, fun flapper costumes. Some of our adult flapper costumes include the accessories of a hat and necklace! Add feather boas and Finger Wave wigs and you'll be ready for a big night at your local speakeasy. We have a complete range of sizes to fit everyone from children through women's and plus sizes! Don't miss hte 1920's Gangster costumes too.