This is a real quality piece. From the 60's. There is no brand label inside but there is a cleaning instruction label. Made of nice heavy textured lined cotton. Bright colorful butterfly print. At the neck and the hem is a loopy trim. Two side pockets. The dress is fully lined. Center back zip. So adorable! Best fit would be a Large, however, please see the measurements below for a proper fit.

Measurements
Armpit-armpit doubled 40"
Waist 38"
Hip 44"
Length 41"

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