It has a strap inside to tie and a button on the waist to make a wrap style dress.
It has buttons on the front and has a stand collar, it would be good to wear both styles, buttons closed or all open! 
It is a light weight cotton and slightly sheer. not lined.
brand : todayful 
fabric : 65%cotton, 33%nylon, 2%polyurethane
tag size :38 (fits S-M, aus size 8-10)
-approx measurements-
shoulder to shoulder ...49cm
armpit to armpit ...53cm
waist ...34cm ( where the button goes )
length ...117cm
sleeve ...59cm
 
++taken from seam to seam while the garment is lying flat
++please double the armpit,waist and hips