Vintage Belted Tropical Midi Dress, believed to be M-L, but no size listed.

This vintage midi sundress appears to be handmaid and has no tag. Elastic waist, includes a belt with slight color imperfections as shown. Cotton. Beloved to be medium-large, but no size marked. Measurements: Waist: 20 inches measured flat at full stretch. Length: 45.5 inches from shoulder to hem. Belt Length: 37.5 inches (shown in photos)