One-piece Bodysuit --- Soft and comfortable to wear, skin-friendly, no harm to baby's skinSize chart:(cm/inch) Size(cm)70 Length: 38 Bust: 48 Sleeve: 10Age: 0-3 Months 80 Length: 40 Bust: 50 Sleeve: 10.5 Age: 3-6 Months 90 Length: 42 Bust: 52 Sleeve: 11Age: 6-12 Months 100 Length: 44 Bust: 54 Sleeve: 11.5 Age: 12-18 MonthsSize(inch)70 Length: 14.96Bust: 18.90Sleeve: 3.94Age: 0-3 Months 80 Length: 15.75Bust: 19.69Sleeve: 4.13Age: 3-6 Months 90 Length: 16.54Bust: 20.47Sleeve: 4.33Age: 6-12 Months 100 Length: 17.32Bust: 21.26Sleeve: 4.53Age: 12-18 MonthsFriendly Tips:1. Please kindly allow 2-3% difference according to manual measurement. 2. Please check the measurement chart carefully before you buy the item. (1 inch = 2.54 cm) 3. Please note that slight color difference should be acceptable due to the light and screen. Thanks.Specification: Name: One-piece Bodysuit Gender: Baby boys Material: Cotton blend Sleeve length: Short sleeve Pattern: Print, letter Size: 0-3M/3-6M/6-12M/12-18MPackage Contents 1x RomperPromiseIf the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.