Size Recommended Age Measurement (Inch) Romper Length Bust *2 Pants Length 60 Newborn 13.78 8.66 12.60 70 3-6 Months 15.35 9.45 13.78 80 6-12 Months 16.14 9.84 14.96 90 12-18 Months 16.93 10.24 16.14 100 18-24 Months 17.72 10.63 17.32 There is 2-3% difference according to manual measurement. please check the measurement chart carefully before you buy the item. 1 inch = 2.54 cm Please note that slight color difference should be acceptable due to the light and screen.