usps mailers free

usps mailers free refers to the free mailing supplies available from USPS for customers using specific services, such as Priority Mail or Priority Mail Express. These mailers include flat rate boxes, envelopes, and padded envelopes that can be ordered online or picked up at a local post office. While these supplies are free, the customer is still responsible for the postage cost when mailing the items. USPS offers these mailers to help streamline the shipping process for customers using their Priority Mail services.