Size Chart(Product Measurements):
8 Years: Bust: 26.8", Length: 30.7", Straps Length: 8.3", Waist Size: 23.2-29.9"
9 Years: Bust: 28.0", Length: 32.7", Straps Length: 8.5", Waist Size: 24-31.1"
10 Years: Bust: 29.1", Length: 34.6", Straps Length: 8.7", Waist Size: 24.8-32.3"
12 Years: Bust: 31.5", Length: 38.0", Straps Length: 9.1", Waist Size: 26.4-34.6"