3rd formula for mail

You're referring to the 3rd formula for mail!

The 3rd formula for mail is:

Priority Mail Express

This is a fast and reliable mail service offered by the United States Postal Service (USPS). It's a premium service that guarantees overnight delivery to most US addresses, with a delivery time of 1-2 business days. Priority Mail Express is ideal for time-sensitive documents, packages, and gifts.

Here are some key features of Priority Mail Express:

Keep in mind that Priority Mail Express is a premium service, and the prices are higher compared to other mail services. However, it's a great option for those who need to send important documents or packages quickly and reliably.