Size Chart(Product Measurements):

8 Years: Bust: 25.6", Hip Size: 53.1", Length: 29.1", Straps Length: 12.6", Waist Size: 24.0"

9 Years: Bust: 26.8", Hip Size: 55.3", Length: 30.5", Straps Length: 13.0", Waist Size: 25.2"

10 Years: Bust: 28.0", Hip Size: 57.4", Length: 31.9", Straps Length: 13.3", Waist Size: 26.4"

12 Years: Bust: 30.3", Hip Size: 61.7", Length: 34.6", Straps Length: 14.0", Waist Size: 28.7"