Size Recommended Age Measurement (Inch) Tops Length Bust *2 Pants Length 70 0-6 Months 12.60 9.84 7.48 80 6-12 Months 13.39 10.43 7.87 90 12-18 Months 14.17 11.02 8.27 100 18-24 Months 14.96 11.61 8.66 Attention plz: If your kid is chubby, we recommend choosing a larger size, thanks. ^_^ 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.