This Mary Poppins Costume Blue Dress with Jacket and Hat Set in Adult Medium size, from the brand Joyful Start, is perfect for anyone looking to channel their inner Mary Poppins. The polyester material ensures comfort and the elastic/stretch features make it easy to move around in. The set includes a dress, jacket, and hat in a beautiful blue color, all designed with the iconic Mary Poppins theme in mind. Made in China, this costume is a must-have for any fan of the beloved character.