Mariella Gown Mariella Gown Self & Trim 1: 100% nylon Lining & Trim 2: 100% poly Trim 3: 65% nylon 35% cotton. Dry clean only. Partially lined. Hidden side zipper closure. Low back. Lace overlay. Imported. HEAR-WD217. W210G01. Heartloom is a New York based brand that combines East Coast sophistication with a laid back West Coast style that embodies the modern bohemian sprit. Heartloom is known for a casual, cool and modern sophistication that extends beyond its celebrity west coast clientele. Vintage inspired prints, delicate dresses and knitwear with unexpected, quirky details tell a strong story about the Heartloom lifestyle. Feminine eclectic clothing that is effortless yet polished, providing day-to-evening versatility.