Gorgeous satin round neck adjustable shoulder strap with exposed back and elastic band, hidden zipper at the back Prom DressesLANQI's luxurious satin round neck adjustable shoulder strap features an elastic band at the back and an invisible zipper Prom Dresses. This dress is made of satin fabric, featuring a cross exposed back, thin straps, and a slim fit skirt design paired with a long silhouette, showcasing a fresh and luxurious style. The satin material has a delicate luster, with a cross exposed back cut that accentuates the shoulder and neck lines. The thin camisole