Welcome to BiggerStore Strict QC system to guarantee quality and delivery. Size Chart: ★ Size 70: Romper Length 44cm/17.3", Bust*2: 26.5cm/10.4", Advice Age 0-3 Months ★ Size 80: Romper Length 47cm/18.5", Bust*2: 27.5cm/10.8", Advice Age 3-6 Months ★ Size 90: Romper Length 50cm/19.7", Bust*2: 28.5cm/11.2", Advice Age 6-12 Months ★ Size100: Romper Length 53cm/20.9", Bust*2: 29.5cm/11.6", Advice Age 12-18 Months About Shipping: Standard Shipping: by USPS, needs 8-15 biz days to reach. Expedited Shipping: by Fedex,needs 3-5 biz days to reach. Postage is different, that depends on your choose. About Our Service: If something wrong,please contact us firstly, we will reply within 12 hours and try our best to help you. Thanks! Buy with confidence and enjoy!