This soft and comfy dress is from the 80s by Prestige Global. Classic drop waist tank style with full skirt and hidden side pockets. Plenty of stretch. Pretty small pink floral pattern on a white back ground. Labeled a size Large, however, please see the measurements below for a proper fit.
Measurements
Armpit-armpit doubled 36"-40"
Waist 30"-34"
Length from top of back 45"

This item is sold from an excellent, highly rated vintage boutique in Westfield, Massachusetts.