This NWT Rudolph Santa 3-Piece Set is perfect for baby girls aged 9 months. The red dress features a polka dot pattern and long sleeves, making it ideal for both parties and casual occasions. With a round neck and button closure, this knee-length dress is easy to wear and care for, being machine washable. The dress is made of 100% polyester fabric, ensuring comfort and durability for your little one during the winter and fall seasons. This Christmas-themed outfit by Rudolph is sure to bring joy and style to your baby girl's wardrobe.