The "Astelle" pencil dress from Costarellos features a flawless strapless silhouette, elevated by intricate heat-cut lace detailing; Strapless neckline; Sleeveless; Sheath silhouette; Hem falls below the knee; Walking vent back; Invisible back zip; Polyester; Lining: Polyester; Do not iron, dry clean; Made in Lithuania; Model measurements: 5'10" tall; Model is wearing a US size 4/Small