Sarah's Silks Mermaid Costume (Small) Mermaid costume has 29 inch long tail, wrap around halter top, and head garland with faux seaweed and trailing ribbons Fits 3 - 6 years old. 20 inch elastic waist stretches comfortably to 24 inches Hand-dyed in ocean colors of turquoise and green Mermaid costume has real woven in wave pattern on heavy weight silk Tail is open on one side to allow child free movement and play