3pcs newborn baby boys cute little brother romper+camouflage pants+hat outfits set (0-6 months, white&yellow) ma&baby size chart: size---length(top)----pants length-----bust*2--------age advice 70--------36 cm------------- 34 cm-----------23 cm --------0-6 months 80--------38 cm------------- 36 cm-----------24 cm-------- 6-9 months 90--------40 cm------------- 39 cm-----------25 cm --------9-12 months 100-------42 cm------------- 42 cm-----------26 cm---------12-18 months there is 2-3% difference according to manual measurement. please check the measurement chart carefully before you buy the item.