100% cotton. Very comfortable and warm for children to wear this sweater, soft material never cause any harm to the skin Cute snow flake pattern design at front, perfect for casual wearing, makes your child lovely Pullover style makes it easy to put on and off. Suitable for spring, autumn and winter Machine wash and hand wash PLEASE NOTE : The size is small, please choose 1-2 size larger than usual. Please read the size chart of the last picture carefully before purchasing