CuteOn momscare 100% Cotton for Newborn Baby Romper Unisex Long Sleeved Jumpsuit 100% Cotton Hand Wash 6M is fit for 0-5 Months Baby(Height 60-70 cm) 9M is fit for 5-8 Months Baby (Height 70-75 cm) 12M is fit for 8-11 Months Baby (Height 75-80cm) 18M is fit for 9-11 Months Baby (Height 80-85cm) 24M is fit for 16-22 Months Baby (Height 85-95cm)