Serra snakeskin print stretchy dress large

Excellent condition, women’s Serra stretchy dress in large. Snakeskin print. Pullover, ties at waist - see photos. No stains or tears. Selling for my mom-in law; she tried it on but doesn’t fit. She never wore it so basically new without tags. Measurements: Pit to pit is approx 18.5” Pit to waist line is approx 7” Pit to hem is approx 23”