If an article meets the size qualifications for a large envelope but is rigid, what price category is it charged?

When an article meets the size qualifications for a large envelope but is rigid, it is classified as a parcel rather than as a flat due to its inflexible nature. The United States Postal Service (USPS) has specific criteria for classifying mail, and rigidity plays a crucial role in determining the correct pricing category.

Large envelopes, or flats, must be flexible and non-rigid to qualify for the First-Class Mail or Standard Mail flat rates. If the item is rigid, it does not meet the necessary criteria for those categories and is instead categorized as a parcel. This means that the pricing aligns with the standards set for parcels, which typically apply to packages that exceed certain dimensional limits or possess characteristics that render them unsuitable for flat mail processing.

In this case, since the article in question is rigid and otherwise qualifies as a large envelope in size, it automatically falls into the parcel rate category and is priced accordingly. Understanding these classifications helps ensure proper postage is applied and that the item is processed without issues.