The dress is made of 100% cotton fabric. Cotton is known for its breathability and comfort, making it a great choice for clothing, especially in warm and cold weather. The dress has long sleeves. This can provide some coverage and warmth, making it versatile for different seasons or occasions. The dress features a sweetheart neckline. This type of neckline is characterized by its curved shape, resembling the top half of a heart. It's a classic and flattering neckline that can enhance your décolletage. The dress has a tiny slit. This adds a subtle touch of detail and can also improve ease of movement while wearing the dress. This suggests that it's designed to be flattering for a variety of body shapes and sizes, making it a versatile wardrobe choice. Machine wash and dry hang.