Please choose the size according to kids height:Size 80 for kids under 70 cm height ; suitable for newborns and under 18 months babies; Size 90 for kids under 80 cm height ;suitable for babies under 24 babies;Size 100 for kids under 100 cm height ;suitable for babies under 30 babies;Gender: Baby Boy Sleeve length:Long For the season: winter， spring， autumnMain ingredients: cotton fabricColor: yellow