Size Chart(Product Measurements):

8 Years: Bust: 28.3", Length: 39.4", Shoulder: 9.6", Waist Size: 26.4"

9 Years: Bust: 29.5", Length: 41.3", Shoulder: 10.1", Waist Size: 27.6"

10 Years: Bust: 30.7", Length: 43.3", Shoulder: 10.6", Waist Size: 28.7"

12 Years: Bust: 33.1", Length: 46.7", Shoulder: 11.5", Waist Size: 31.1"