Kurti Tunic

I bought this in India. Not expensive- there are no fabric tags but it is some type of polyester. There is a size tag but not sure what it references. It is cut straight with side slits. It is unbelievably flattering and the colours are fabulous. Measurements: shoulder width 16”. Pit to pit: 21”. Sleeve length 19”. Overall length 36”. I wear size 10/12 and it fits me.