100% cotton ruffle down front. Snap closure. peplum fitted waist Measurements are taken with garment laying flat. I use a fabric tape measure. These measurements are approximate. Please double where appropriate. I use Persil to wash my items. If you are sensitive to scents please keep this in mind. Armpit to armpit: 16.5" Armpit to bottom hem: 11" Across bottom: 16.5" Middle of the back down: 21"