Buttoned O-neck Top-printed Bottom-patterned Elastic legs Comfortable waist band Soft and breathable fabric textureCotton fabric makes you feel comfortable with its soft and breathable texture. Products designed for children's ergonomics allow freedom of movement. All day long they are soft, comfortable and flexible. The top of this product is 50 cotton 50 polyester bottom. There is 100 cotton on the part. Cotton is a natural fiber Consisting of pure cellulose Cellulose is an organic substance created by synthesis in nature. It has low elasticity. It absorbs moisture well and keeps heat outside of the body cool. Polyester is a flowing and light fabric that is durable and shiny. Care instructions Wash at maximum 30°C. Do not tumble dry. Do not bleach.