Trumpet Mermaid Halter Floor Length Backless Satin Formal Evening Dress KATSEYE () "PINKY UP" Official MV Teaser 1 YouTube. This product is made to order. You can send us your custom size, color or style to customize. Silhouette: Trumpet Mermaid; Neckline: Halter; Hemline Train: Floor Length; Fabric: Satin; Sleeve: Sleeveless; Waist: Natural; Back Style: Backless; Built In Bra: Yes; Shown Color: Black; Season: Spring, Summer, Autumn, Winter;