The US Postal Service is to offer “Forever” postage to be used with its Priority Mail Flat Rate packaging from April 17.
It said last week the move would allow it to offer bundles of pre-paid Priority Mail flat-rate packaging, including various types of envelope and box. Read more!
It said last week the move would allow it to offer bundles of pre-paid Priority Mail flat-rate packaging, including various types of envelope and box. Read more!
