Size Chart: Small: Suggested Age 3-4 years, Height: 39.4-43.3in/100-110cm, Bust: 24.8in/63cm, Waist: 23.2in/59cm Medium: Suggested Age 5-6 years, Height: 43.3-47.2in/110-120cm, Bust: 26.4in/67cm, Waist: 24.8in/63cm Large: Suggested Age 7-8 years, Height: 47.2-51.2in/120-130cm, Bust: 27.9in/71cm, Waist: 26.4in/67cm X-Large: Suggested Age 9-10 years, Height: 51.2-55.1in/130-140cm, Bust: 29.5/75cm, Waist: 27.9in/71cm XX-Large: Suggested Age 11-12 years, Height: 55.1-59.1in/140-150cm, Bust: 31.1in/79cm, Waist: 29.5in/75cm Tips: 1. Due to manual measurement, there will be 1-2cm size deviation. 2. Because of the light and monitor resolution, The costume may have slight color difference.