Thick Cotton Material, Great for Chilly Weather and Creating Flattering Figure. Does not have much stretch so check your measurements Size Chart: Measurements are Flat Lay. B = Bust measured armpit to armpit W = waist M: B 18" W 14.5" L: B 19" W 15.5" sold XL: B 20" W 16.5" sold 18: B 20.5" W 17" 18W: B 21" W 18" sold 2X: B 22" W 19"sold Comment or Start a bundle with any questions All dresses have belt loops, size XL and 18W don't have belt