70s silky polka dot mini dress (XL)

super soft and lightweight 1970s navy blue polka dot mini dress with rounded collar. no tags but feels like nylon blend with a good amount of stretch throughout and zipper closure in front. 

estimate size: modern XL

material: silky nylon blend 

brand: n/a

condition: excellent

measurements

bust: 48" 

waist: 42"

hip: 52"

length: 40"