Royal Creations Hawaii caftan mumu vintage maxi dress kaftan made in Hawaii S M

Beautiful vintage made in Hawaii caftan Royal Creations Hawaii pre-owned condition, a few areas of light discoloration, primarily at the right chest and waist There are two straps that are sewn inside the dress that can be pulled through the armpits and tied outside to tighten the dress There is some loosening of the threads under the armpits I don't see a size tag, would best fit a Small or Medium