Girl's 2 piece dance costume | sparkles

Girl's 2 piece dance costume | sparkles As a point of reference, my daughter used this for a dance competition in 2nd grade. Likely a size small but I can't find a label - following are the measurements: Top: Length - 12 1/2" Pit to Pit - 10 1/2" Pants: Waste lying flat - 9" Inseam - 17 1/2" Rise - 7 1/2"