Gorgeous strapless off shoulder mesh sleeves with back slit and invisible back zipper Prom DressesOKBBN's gorgeous strapless off shoulder mesh sleeves with a back slit and invisible back zipper Prom Dresses. This dress is made of polyester fabric and features an off shoulder design with pleats and slit elements, showcasing a sexy and elegant style. The off shoulder design showcases charming shoulder and neck lines, the pleated design adds a sense of hierarchy, the slit design enhances agility, and the overall cut fits the body shape, making it