Girls dresses size 2-5 are short sleeves. Girls dresses size 6-12 are three quarter sleeves. Dress lengths: size 2= 18.5 inch size 3= 20 inch size 4= 21 inch size 5= 24 inch size 6= 27 inch size 7= 29 inch size 8= 31 inch size 9= 32.5 inch size 10= 34.5 inch size 12= 36.5 inch