Maurice’s size S floral dress with cardigan

Excellent used condition, I only wore it a handful of times. Could fit a medium size for sure. Dress: laid flat armpit to armpit is 18.5 inches, waist is 13 inches but stretches to 18.5 inches, and length is 36.5 inches from shoulder to bottom. Cardigan: laid flat 21 inches and length is 40 inches from shoulder to bottom.