So Funny Baby Boys Cosplay Romper!!! Please refer to the size chart when you purchased: Age--------------Chest Length*2-------Tops Length 0-3 Months-----44cm/17.32"--------48cm/18.90" 3-6 Months-----46cm/18.11"--------49cm/19.29" 6-12 Months----48cm/18.90"--------50cm/19.69" 12-18 Months---50cm/19.69"--------51cm/20.08" 18-24 Months---52cm/20.47''--------52cm/20.47''