Hey Viv ! 50s Retro Style Sash Dress - Blue Satin Fabric: 97% polyester, 3% spandex; hand wash 50's style sash dress with gathered waist and full circle skirt. Bust fits snugly so buy your size or one size up. Size Small/Medium (36) Bust: 36", Waist: 28-29", Hips: Free, Length Waist to Hem: 26" Size Large (38) Bust: 38", Waist 30-31", Hips: Free, Length Waist to Hem: 27" Size XL (42) Bust 38-40", Waist 32-33", Hips: Free, Length Waist to Hem: 27" Separate black satin sash can be tied with front or back bow. Fitted sleeveless bodice with lace trimmed sweetheart neckline. Side nylon zipper.