Girls dresses sizes 2-5 are short sleeves. Girls dresses sizes 6-16 are three quarter sleeves. dress lengths size 2= 19 inch size 3= 22 inch size 4= 23 inch size 5= 25 inch size 6= 27.5 inch size 7= 29 inch size 8= 31 inch size 9= 32.5 inch size 10= 35 inch size 12= 36 inch size 14= 37 inch size 16= 39 inch