The sleeveless mini dress you have described is made of 95% polyester and 5% spandex fabric. This blend of materials offers both comfort and stretch, making it a versatile and flattering choice for various occasions. The dress features boning detail, which adds structure and support to the bodice, enhancing the overall fit and silhouette.

When caring for this garment, it is recommended to hand wash it to preserve the integrity of the fabric and the boning detail. Hand washing is a gentle method that helps maintain the shape and color of the dress, ensuring that you can enjoy wearing it for a long time. Remember to follow the washing instructions on the garment's care label to keep it looking its best.