Size Chart(Product Measurements):

Bikini Bottoms: 8 Years: Bottoms Length: 9.1", Hip Size: 24.4", Waist Size: 21.3-29.5"

9 Years: Bottoms Length: 9.4", Hip Size: 25.6", Waist Size: 22.4-30.7"

10 Years: Bottoms Length: 9.7", Hip Size: 26.8", Waist Size: 23.6-31.9"

12 Years: Bottoms Length: 10.3", Hip Size: 29.1", Waist Size: 26-34.3"

Bikini Tops: 8 Years: Bust: 24-30.7", Top Length: 14.2"

9 Years: Bust: 25.2-31.9", Top Length: 15.0"

10 Years: Bust: 26.4-33.1", Top Length: 15.7"

12 Years: Bust: 28.7-35.4", Top Length: 17.3"