Material: Cotton BlendAttention plz: If your kid is chubby, we recomend choosing a larger size, thanks.Please kindly refer to your kids actual height and the size chart before buying/bidding. Thanks.Package included: 1x romperSize Chart:SizeTops LengthBust*2Age7037 cm25 cm0-3 Months8039 cm26 cm3-9 Months9041 cm27 cm9-18 Months10043 cm28 cm18-24 MonthsThere is 2-3% difference according to manual measurement.please check the measurement chart carefully before you buy the item.1 inch = 2.54 cmPlease note that slight color difference should be acceptable due to the light and screen.