Amzcw's sky blue tulle spaghetti strap 3D floral applique lace-up back mermaid prom dress is crafted from premium sheer tulle, featuring a chic spaghetti strap neckline with a plunging illusion center, a structured sheer corset bodice adorned with intricate 3D floral applique and sparkling beads, a sultry lace-up open back with a self-tie closure for a customizable fit, a sleek mermaid silhouette that flares into a sweeping train for a fairy-tale finish, and a hidden back zipper for a seamless, polished look, ideal for prom nights, garden weddings, formal galas, photoshoots, and special occasions, blending ethereal romance with timeless feminine elegance for your unforgettable night.