This is a long dress from RUIRUE BOUTIQUE. It's sleeveless but made of a sturdy fabric. It has a back zipper and is lined. The back of the waist has elastic and stretches to about 45cm. Material: Outer fabric: 95% polyester, 5% polyurethane Lining: 100% polyester Length: 123cm, Width: 49cm, Waist: 40-45cm Please note that these measurements are approximate due to manual measurement. The item will be compressed for shipping. Thank you for your understanding.