Got through to USPS (800-610-8734)

The representative I spoke to was well aware of the free "ground advantage" boxes and mailers. All the following come in packs of 25. I was able to order 75 of each box and 100 of the mailers. If you need more, you can, that's just how much I wanted to start off with.

Box 1: 12 x 12 x 8.5

Box 2: 14 x 7 x 5

Poly Padded Bubble Bag: 12.5 x 9.5

Paper Padded: 14.5 x 20,5

Polybag: 14 x 17

I was told it would take 7-10 days to arrive.

Of course, they will ask you for your Poshmark closet name. Hope this helps! I was hung up on about 10 times, and finally on hold for about 30 minutes, and had a very helpful and pleasant representative.

And according to the following link on usps website, ground advantage is eligible for free pickup

https://faq.usps.com/s/article/What-is-Package-Pickup#eligibility

Sent in an email requesting shipping supplies and got this response. I wasn’t aware of this update (blog post is dated Jan 30), but the ability to request in app seems to be getting implemented gradually as I don’t have the ability to request via the app yet.

Heads up in case others didn’t know. I asked if my order could still be processed since I can’t do it in app (and have no idea when I will) but haven’t heard back yet. Requesting through the app would definitely be more convenient but not without access…

I just made my first sale! I’m super excited but have high anxiety about doing new things that involve talking to other people and don’t know how I pick up the free shipping materials. Do I just go in and wait in line and tell them what I’m looking for? Is there a free section where I just go pick it up and leave?

Thank you for any help!!

UPDATE: Thank you all so much for your kind help! I did it! It went well and the guy at the post office was really nice. Thanks again!

After calls dropped dozens of times I finally got through to a postal worker and she admitted that Posh sellers have been blowing up their lines today and they had NO CLUE of the update!

Poshmark has promised the following (I highlighted the important bits) https://blog.poshmark.com/ :

Poshmark has partnered with USPS to provide complimentary Ground Advantage shipping supplies exclusively for Poshmark sellers. Packaging options include a variety of polymailers, padded mailers, and boxes*.* 
To order your packaging supplies, please call 800-610-8734. Please note that you will need to provide your closet name to USPS to confirm you are a Poshmark seller.

Rest assured, USPS is prepared for this transition and ready to support requests from our community.

I particularly love the last line about USPS being prepared for this (REST ASSURED - ha!)!

I found out that the USPS customer service reps have an internal chat group where they can reach out to each other to help with information about things they are getting calls on and the supervisors and team were all in the dark on this.

Call lines are open M-F 7am - 11pm (1-800-610-8734). Lets help each other out and report back if anyone has any success getting the free packaging Poshmark is promising. Otherwise, this means the discounted shipping makes selling MORE EXPENSIVE because we are now providing shipping materials from our own pockets.

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10:15pm EST Update - Finally got through and the phone system seems to have been fixed to not drop calls since the prompts seemed to be different. The rep said they have been overloaded by Posh sellers but they are working through to get to everyone quickly.

Supplies options includes different polymailers, bubble mailers and boxes. Limited selection but its better than nothing.

I asked what they do with our closet info and she said they are supposed to look us up to verify that we have a closet.

I said that the Posh community is generally really great and that I hoped everyone was being nice and patient with them and she said yes, most were lovely. SOOOO ---- lets represent our community well and let them know how appreciative we are of what they do to support us in our sales!

I went in with 1 plain small/medium poly mailer and a 1 small ground advantage box. I received both the poly envelope and box from poshmark! They have a link somewhere where you email an email asking what type of packaging you want and They sent it! To me, at-least.

Anyway, The nice lady scanned my box first and printed the sticker, receipt, business as normal. We get to the Poly mailer Envelope, She asked if I paid for this said envelope. I shakily replied "Ummmm.. Yes!" She scanned it and gave me a receipt for both. It's tracking. Does poshmark pre pay for these envelopes and boxes?? Are we responsible to pay for them? Why was I asked to pay for the envelope. I have been using the Ground Advantage Boxes for almost a year with no issue. For reference I live in Washington state, USA