What is a key benefit of using Priority Mail?

One of the key benefits of using Priority Mail is the availability of free shipping supplies, which enhances convenience for customers and encourages them to ship items more frequently. This service provides customers with the opportunity to use USPS-branded boxes and envelopes at no additional cost, making it easier for them to prepare their packages for mailing. By eliminating the need to purchase packaging materials separately, USPS supports its customers in achieving a more cost-effective and streamlined shipping process. This benefit is particularly advantageous for businesses and individuals who send packages regularly, as it can save time and reduce overall shipping expenses.

Options like same-day delivery and guaranteed overnight delivery do not apply to Priority Mail as standard features, since these are typically associated with more specialized services. Additionally, the idea that there is no delivery to PO Boxes is incorrect, as Priority Mail does indeed deliver to PO Boxes, making it a reliable choice for a variety of recipients.