Short sleeve suit(0 8 months height 70 80cm recommended 73) (8 18 months height 80 85cm recommended 80) (recommended height: 85 95cm for 1 1 2 to 2 1 2 years) (height 95 100cm recommended for 2 1 2 to 4 years) Code number just serves as reference code actual size or with child height fat thin accurate! Customer service is just the suggestion code, in fact, you have to treasure mom own!