Size Chart(Product Measurement):

8 Years: Bust: 25.6", Length: 26.8", Shoulder: 8.9", Waist Size: 22.8"

9 Years: Bust: 26.8", Length: 28.1", Shoulder: 9.3", Waist Size: 24.0"

10 Years: Bust: 28.0", Length: 29.5", Shoulder: 9.8", Waist Size: 25.2"

11-12 Years: Bust: 30.3", Length: 32.3", Shoulder: 10.7", Waist Size: 27.6"