Supportive longline seamless bra for special occasions, Unlined underwire cups offer 3-part inner seams. Sweetheart neckline perfect for gowns and dresses, Side boning throughout for added structure. Fully adjustable straps included for multiple looks Brand: Elila, Style Number: 6721. Cups & Band: 50% Nylon, 50% Polyester.Back: 70% Nylon, 30% Spandex.