This is a Missoni for Target Blue Maxi Dress with Chevron design released in 2011.  It's in preowned excellent condition. The dress is a size Small.  The dress has an attached almost full length slip.  The outer part of the dress is 61% Acrylic, 21% nylon and 18% rayon.  The slip is 100% polyester. Some approximate measurements:

Armpit to armpit-32"

Shoulder to hem-58"