Welcome to BiggerStore Strict QC system to guarantee quality and delivery. Size Chart: Size 70: Bust 18.5", Pants Length 19.7", Advice Age 0-3M Size 80: Bust 19.7", Pants Length 20.9", Advice Age 3-6M Size 90: Bust 20.5", Pants Length 22.1", Advice Age 6-12M Size100: Bust 21.6", Pants Length 23.2", Advice Age 12-18M 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!