Usually 7-12 days delivery to CA, tracking number will be provided! Expedited shipping 3-5 days delivery.Corsets are sized by waist size. So please choose your corset according to your waistline. not your bust. If you have any question about the size, please contact us.Blidece Women's Corset Size ChartS /Bust: 32-34inch Waist: 24-26inchM /Bust: 34-36inch Waist: 26-28inchL /Bust: 36-38inch Waist: 28-30inchXL /Bust: 38-40inch Waist: 30-32inchXXL/Bust: 40-42inch Waist: 32-34inch