loel Girls' New Princess Dress Butterfly Party Costumes Size 2-3YS: 22" waist circumference, 24" chest circumference, and 31" from shoulder to the end of the skirt. Size 4-5YS: 23" waist circumference, 26" chest circumference, and 35"from shoulder to the end of the skirt. Size 5-6YS: 24" waist circumference, 28" chest circumference, and 39" from shoulder to the end skirt. Size 6-8YS: 26" waist circumference, 30" chest circumference, and 43" from shoulder to the end skirt. Size 8-10YS: 27" waist circumference, 32" chest circumference, and 47" from shoulder to the end skirt.