This pretty dress is from Tommy Bahama in a misses size large. 
Soft and stretchy, made of modal/nylon and spandex.  Machine washable.  Pullover style with stretch. Has a short zipper at the back of the neck. 
Unstretched, measured from seam to seam across the front:
bust is 19 inches across
waist is 17.5 inches across
hips are 19 inches across
length is 38.5 inches long
Previously owned and in excellent, consignment shop condition.  From a smoke free home.  I do offer a discount on combined purchase shipping so please let me know if you're still shopping.  I'll send an invoice when you're done with shipping choices.  Thanks for shopping with me.