Poshmark, the mobile marketplace that lets women swap and sell items out of their own closets, is announcing a big partnership with the United States Postal Service. This marks one of the first times ...

Poshmark is now using the U.S. Postal Service's Ground Advantage service to reduce shipping rates for buyers, the fashion resale marketplace announced last month. As a result, Poshmark's flat shipping ...

In a TikTok posted on Feb. 1, Anna Molinari (@annamolinstinct) shows an item she bought from a vintage reseller that was shipped in a clear zip-up plastic bag. The shipping label attached to the bag ...