OU GRID Women's Elegant Slim Wear to work Casual Pencil Dress with Belt Fabric: 33% cotton, 62% polyester, 5% spandex. Round neck, half sleeve, knee-length, with belt, high stretch Suit for Casual Occasion,wear to work. Machine washable ( Recommended hand wash) Pls read the Size Chart in the picture on the left, not Amazon Size Chart.