Size Chart(Product Measurement):

Bikini Bottoms:
Small: Length: 9.3", Waist Size: 26.4-38.6"

Medium: Length: 9.6", Waist Size: 28.3-40.6"

Large: Length: 10", Waist Size: 30.3-42.5"

X-Large: Length: 10.4", Waist Size: 32.3-44.5"

Skirts:
Small: Length: 12.2", Waist Size: 26.8-38.6"

Medium: Length: 12.6", Waist Size: 28.3-40.2"

Large: Length: 13.2", Waist Size: 30.7-42.5"

X-Large: Length: 13.8", Waist Size: 33.1-44.9"

Bikini Tops:
Small: Bust: 27.6-37", Underbust: 25.2-37"

Medium: Bust: 29.5-39", Underbust: 27.2-39"

Large: Bust: 31.5-40.9", Underbust: 29.1-40.9"

X-Large: Bust: 33.5-42.9", Underbust: 31.1-42.9"