Black sequins delicate muslin mid-length dress

Black sequins delicate muslin mid-length dress, adjustable straps, entirely lined, sequins and embroideries on the muslin fabric, stretchy fabric. Estimated size 40 (way too big on me, and see measurements that give size 40). 

Chest : 45 to 48 cm (strechy fabric), waist : 38 to 40 cm, length without the straps from the top : 94 cm.