EUC H&M Black Floral 1 Tier Maxi dress Sheer size large

Oversized, long sleeve, ruffled hem dress. Very sheer, no lining, would need a slack slip or tank and bike shorts underneath. Could be a bathing suit coverup also. Light and flowy with drop waist and button sleeve. 7 buttons down the front of the bodice to waist. Says large but could go larger. No stretch, no material tag. 24 inch waist 23 inch PTP