95% rayon/ 5% spandex. Super soft and stretchy! I'm a 2x/16/18 and the 2x fit perfectly! If you're in between sizes please order one size up. Bust measured laying flat- easily stretches beyond measurement. 1x: L 32" B 40" 2x: L 33" B 42" 3x: L 33" B 44" ⭐️This item is brand new without tags Price is firm unless bundled ✅Bundle offers Availability: 1x• 1