To get your package to your customer as quickly as possible you can use our Express Shipping option. You just need to use the "Priority - Custom Package" postage option and click "Express Shipping" from your label selection window.
You can click on the arrow to open the drop down menu to select a commonly used package option. You can also choose "Custom Package" and then enter the dimensions and weight of the custom package. Confirm the weight and your postage quote will appear. Click the price box to purchase the label.
Note: Generally, USPS Priority Express is overnight. However, it depends on where the package is being shipped to.
Here are the specific USPS guidelines for Priority Express Shipping.