100% pure cotton fabric (weight 160g/m 2, sweat absorbing, breathable, and non irritating), including short sleeved T-shirt and shorts (suitable for children aged 2-6). The T-shirt is printed with a cartoon small train pattern (watermark environmentally friendly), and the shorts are three thirds long (convenient for movement, waist elastic band), light blue/light pink optional, suitable for children's daily wear in summer, with sizes ranging from 90-120cm