This baby sweater is made of 50% viscose, 22% nylon, and 28% PBT, providing a smooth texture, soft feel, and comfortable breathability. It is skin-friendly and natural, suitable for autumn and winter seasons. The sweater features a round neck design and a loose fit, making it perfect for baby boys and girls. It is machine washable and imported. Please choose the size according to the age and height written in the size selection.