us mail priority envelope

us mail priority envelope refers to a specific shipping option provided by the United States Postal Service (USPS) for sending documents or small items using Priority Mail. The USPS Priority Mail Envelope is a flat-rate shipping option that allows customers to send items quickly, typically within 1 to 3 business days. This envelope option is often used for documents or lightweight parcels and comes with features such as tracking and insurance. It’s a popular choice for individuals and businesses looking for affordable and reliable shipping services.