Girls dresses size 2-5 are short sleeves. Girls dresses size 6-12 are three quarter sleeves. Dress lengths: size 2= 20 inch size 3= 22 inch size 4= 23 inch size 5= 26 inch size 6= 29 inch size 7= 30 inch size 8= 31.5 inch size 9= 34 inch size 10= 36.5 inch size 12= 38 inch