H&M Black and White Cotton Blend Sheath Dress Sz 6

H&M patterned cotton blend sheath dress. Black and white raised pattern knee length dress. The bust of the dress is lined. Keyhole cut out on the back of this fitted dress with a chic button closure accent-see photo. Extra button included. Size 6, see H&M dress size chart in photos. Gently used condition, no flaws. Measurements-laid flat Armpit to armpit - 16.5" Length 36"