There is 2-3% difference according to manual measurement. Please note that slight color difference should be acceptable due to the light and screen. SIZE Chart Size 70 0-6months Top Length 31cm Bust 48cm Sleeve Length 20cm Pants Length 33cm Size 80 6-12months Top Length 33cm Bust 51cm Sleeve Length 21cm Pants Length 36cm Size 90 1-2T Top Length 35cm Bust 54cm Sleeve Length 23cm Pants Length 39cmSize 100 2-3T Top Length 37cm Bust 57cm Sleeve Length 24cm Pants Length 41cm