PopItUp Priority shipping uses Priority Mail Flat Rate Padded Mailers; a durable mailer made of bubble material. Be sure you are using the correct supplies from the US Post Office to avoid delivery failures and postage due notices for your customers. Most local stations do not stock the padded mailer. You can order Priority Mail shipping supplies for free by creating an account with usps.com. The padded mailers are available here.
Which Priority mailer do I use? Print
Modified on: Mon, 28 Aug, 2017 at 12:46 PM
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