Here is a lovely and classic sleeveless dress by Lanz Originals. Feels like all or mostly polyester. White fabric at the top with delicate floral accent. Five buttons and a zipper down the back. Black dress section with a hidden pocket on each hip. Medium weight, soft and comfy, and in incredible shape with lots of life left! Here are the exact measurements. (be sure to reference the last photo to see how I measure dresses)

Here are the measurements:

Bust 20"
Waist 15"
Hips 24"
Length 44"
Armhole 9"

This item is sold from a vintage boutique in Roanoke, VA.