This pretty dress is from Chaps (a Ralph Lauren division) in a petite size small.  (S/P/CH)
Soft and stretchy, made of 95% polyester and 5% elastane.  Machine washable.  Pullover style with stretch. 
Unstretched, measured from seam to seam across the front:
bust is 18 inches across
waist is 14 inches across
hips are 19 inches across
sleeves are 18.5 inches long
length is 40 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.