Pre-Pregnancy Size 2X-Large: Dress - 20 to 24, Bust - 43 to 50 inches. Super soft fabric is gentle on baby's skin, machine washable and dryer safe. Seamless stitches to avoid uncomfortable chaffing. Fabric has a compression fit making your baby feel safe and secure. Breathable and moisture wicking material to keep you and your baby cool. Adheres to ASTM sling/carrier standards passing retention testing up to 45 pounds. Flattering short sleeve cuff. Support Belt Included.