These dresses are made from printed cotton in an umbrella style so the lower half is floaty.  Suggested fit size 14  - 18 depending on your chest size as fabric does stretch as cut on the bias.  

 

Around the Chest: 42" (107cm) - 46" (117cm) max.

Arm Hole: 21" (53cm)

Dress Length Shoulder to Bottom Hem: 32" - 42" (81-109cm)