
Tracking updates are available for both First Class and Priority Mail, allowing you to track packages until they arrive. Priority Mail, on the other hand, allows you to add insurance at no extra cost. Priority Mail is not the only service that does not have a standard insurance policy. Priority mail is the best option for sending large parcels and packages because it is prioritized first over standard mail. In general, first class mail is sent in thick envelopes and lightweight packages.

The United States Postal Service, as well as third parties, are permitted to provide additional coverage in addition to First Class and Priority Mail. Priority Mail automatically provides coverage for lost or damaged parcels when they are shipped. First Class Mail includes letters, thick envelopes, padded envelopes, and lightweight packages. The USPS’s Priority Mail service is the most efficient way to send packages. Regardless of how the packaging is reconfigured or how the markings are obliterated, any matter mailed in USPS-produced Priority Mail packaging is charged the same Priority Mail price as the item it was mailed from. You must only use Priority Mail packaging provided by the USPS if you intend to send international mail.
