Floral Kimono Style House Dress size M?

Long Floral Kimono style quilted housedress/housecoat with adjustable velvet waist belt, velvet buttons, 3/4 sleeves, generous amount of flowing fabric and luxurious inner lining. This luxurious robe of lightness and softness is crafted in vibrant rich colors making it a true work of wearable art. There is no size tag, my guess is size M Dimensions: shoulder to shoulder 16” Shoulder to hem 54” In good condition, small stain on the lower half of the item. (please see pic)