Girls dresses sizes 2-5 are short sleeves. Girls dresses sizes 6-12 are three quarter sleeves. Dress lengths size 2= 19 inch size 3= 21 inch size 4=22 inch size 5=24 inch size 6=25 inch size 7=28 inch size 8= 30 inch size 9= 32.5 inch size 10=35 inch size 12=37 inch