NWT Monki Black & White Polka Dot Dress size UK 10

New with tags midi dress purchased from ASOS, it is the brand Monki. Black with white polka dot pattern, midi length with a slit on one side, adjustable spaghetti straps with a tie in the front. Zips closed up one side. Marked as a UK 10/EUR 38 but it runs quite LARGE! Please check the measurements before purchasing! It was too large on me, and final sale from the retailer, so selling it.