Size: 1cm=0.39in

NO.100/S Fit  1-3 Y    Waist:40-42cm     Weight :15-20KG

NO.110/M Fit  2-5 Y    Waist:44-46cm     Weight :20-25KG

NO.120/L Fit  5-7 Y    Waist:48-50cm     Weight :25-30KG

NO.130/XL Fit  6-8Y    Waist:52-64cm     Weight :30-35KG

NO.140/2XL Fit  8-10Y    Waist:54-58cm     Weight :35-40KG