Vintage 70s floral tropical muumuu caftan Hawaiian dress, butterfly sleeves, OS

Amazing 1970s vintage caftan. Tropical floral pattern fabric with blue crocheted trim. Flowy butterfly sleeves. This dress is one-size-fits-most. No tags, fabric is likely a soft cotton/poly blend. Dress has some pilling and thread pulls, nothing major.
Beautiful and colorful! Can be worn with belt - not included.

Estimated fit: women's small-large
Bust: up to 46"
Waist: up to 58"
Hips: up to 60"
Length: 59"