Nelly Don vintage plus size mod shift house dress

Nelly Don vintage house dress/shift dress. Mod and oh so retro. Excellent vintage condition! No holes or stain. No tags indicating size or material. I’m 99% sure it’s polyester. Has light weight feel of polyester. Fall in love! Color combination of cream, tan, brown, lilac and maroon are stunningly subtle. Faux front pockets with 3 cloth buttons. Laying flat measurements: shoulder to shoulder: 16”, sleeve to shoulder: 16.5”, chest: 22.5”, waist: 21”, hip: 23”, dress length: 40”. Measurements might be considered plus size.