Size Chart(Product Measurement):

9 Years: Length: 26.6", Bust: 25.2", Waist Size: 23.2", Hip Size: 27.8", Straps Length: 11.3"

11 Years: Length: 28.3", Bust: 26.8", Waist Size: 24.8", Hip Size: 29.3", Straps Length: 11.7"

13 Years: Length: 30.1", Bust: 28.3", Waist Size: 26.4", Hip Size: 30.9", Straps Length: 12.2"

14 Years: Length: 31.9", Bust: 29.9", Waist Size: 28", Hip Size: 32.5", Straps Length: 12.7"