WELCOME 100% Brand New and high qualityMaterial : 100% CottonSize Chart:Label Size Age US Size Bust Length 70 0-3 Months 0-3 Months 50cm 39cm 80 3-6 Months 3-6 Months 52cm 41cm 90 6-9 Months 6-9 Months 54cm 43cm 100 9-12 Months 9-12 Months 56cm 45cmAttention plz: If your kid is chubby， we recomend choosing a larger size， thanks.