This swimming costume with hat is perfect for girls aged 9-12 months. The colourful floral pattern adds a fun and vibrant touch to the one-piece outfit, which is made from easy-to-care-for polyester material. The machine washable fabric makes it convenient for parents to keep the costume clean and fresh after each swim. The set includes a matching hat, providing a stylish and practical ensemble for little ones to enjoy their time in the pool or at the beach.