The Simplicity 1248 Costume Pattern is a sewing pattern designed for adults in the 2010s century. This pattern includes a bustier and skirt ensemble in a steampunk style, specifically tailored for plus-size female individuals in sizes 14-22. The pattern is uncut, allowing for the creation of a custom-made costume that fits within this size range. With the brand's reputation for quality patterns, this product offers a unique and creative option for those looking to craft a distinctive steampunk outfit.