Vintage 1980s Tropical Blue Floral Dress with Cut Out, Impromptu Size Medium

Adorable tropical print dress from the 80s. It has an elastic waist and buttons up the bodice with a cute little diamond shaped key hole. It comes with a bright yellow woven belt.  Brand - Impromptu Content - 50% Polyester 50% Cotton Size - Labeled Size 12, approximately a modern Medium but please check all measurements to ensure fit Chest - 19" pit to pit  Sleeves - 7.25" from neckline Waist - 12.5" across, stretches to 17" Hips - very full Length - 44.5" (17" bodice that is designed to blouse out) Condition - I don't see any flaws