Product Measurement(In inches):

8 Years: Bust: 31.1", Cuff: 10.7", Length: 18.7", Shoulder: 19.1", Sleeve Length: 7", Waist Size: 27.6"

9 Years: Bust: 32.3", Cuff: 11", Length: 19.5", Shoulder: 19.7", Sleeve Length: 7.2", Waist Size: 28.7"

10 Years: Bust: 33.5", Cuff: 11.3", Length: 20.3", Shoulder: 20.3", Sleeve Length: 7.5", Waist Size: 29.9"

12 Years: Bust: 35.8", Cuff: 12", Length: 21.9", Shoulder: 21.5", Sleeve Length: 8", Waist Size: 32.3"