This could be a midi or maxi dress depending on your height, it says it is a size 12 however I think it is smaller please see the measurements because everyone’s idea of fit and sizing is Different . the measurements: Armpit to armpit is 17 inches the waist is 16 inches and shoulder to hem is 47 inches. The dress is double layered. The material is 100% polyester. Please follow me on Instagram at “spreadloveonposh” Thank you for visiting my closet! To be notified of future sales and new arrivals please like my Meet the Posher!