Swing Sundress with tie belt S/M

Listing is for one of a kind, long sundress with swing skirt and square neck line. Material is a medium weight, structured cotton/linen I believe. Pleated, seams detail down skirt in purple. Purple trim at hemline and around arms. Waistband/Belt can also be tied to show pattern or purple contrast. Dress was purchased at a boutique in Northern California and has no label. Size M. Approximate measurements laying flat: Top of waist band across 15” (untied) Bottom of waist band across 15.5”(untied) Armpit to Armpit 16” Bottom of waist band to hem 30.5” Waistband/belt 3.25” wide