Most out-of-the-box flapper costumes only contain the essentials needed to pull off the look. Ladies will need to add a few accessories to make their flapper costume look truly authentic. Below are a list of accessories that can add that needed touch of authenticity to any flapper costume.Beaded HandbagsSome of the most beautiful bead embroidered handbags ever crafted were made in the 1920s. Antique beaded handbags are far too expensive and delicate to be paired with a flapper costume. Authentic reproductions are quite common and cost much less than vintage 1920s handbags.Feather BoasA feather boa is one of the cheapest accessories that can be added to a flapper costume. Thin costume boas for kids will cost only a few dollars. Fuller boas for adult costumes can be made by entwining several thin boas together.Flapper HairFlapper hairstyles are unmistakable as such. Though a few women today sport these hairdos today, most will need a good quality wig to make their flapper costume look authentic. Swing bobs and China doll cuts were very common during the 1920s.Headbands and HatsWomen of the 1920s had an amazing selection of hats, headbands and other hair accessories as part of their everyday wardrobe. No flapper costume can truly be considered authentic if it leaves the head bare. A simple feather will do in a pinch.Long Single-Strand Pearl NecklacesTrue period pieces of jewelry from the 1920s can be amazingly expensive. However, the basic flapper look can be accomplished very cheaply either by substituting modern costume jewelry or by creating your own. To create your own single-strand pearl necklace, simply thread faux pearls onto a string until the desired length is reached. Tie into a closed strand. Loop twice about the neck with one choker-style short loop and a single longer one.Real Silk StockingsDecadence was a hallmark of the 1920s. The ladies of the period considered little more decadent than real silk stockings, a luxury since the commodity rationing of World War I. Women and older girls may pair thigh high silk stockings with a garter belt and straps for a genuine period look.