"FLATS" rate postage for seeds
A second rule that trips up some seed sellers. According to the USPS folks, FLATS rate postage mean the envelope must be FLAT -- it is not "flat rate" like some Priority offerings. It means that the object must be able to go through the machine scanners/processors. A bubble wrap mailer will not do that. I just received a small tomato seed order that violated both rules -- bubble wrap mailer sent FLATS rate and also the 1/4" rule.
Last edited by Greatgardens; November 24, 2020 at 06:36 AM.
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