USPS Delivery Times - First Class, and Standard Mail
USPS returned all 50 of my first class mail parcels?? I bought the shipping labels through Shopify. Please help : r/USPS
I sell jewelry and have always mailed with USPS first class. I got this mail returned to me today and have no idea what went wrong. I never had an issue before.
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![Airmail shipping with USPS First Class Mail [Forwardo]](http://www.forwardo.com/img/fcmi-envs.jpg "Airmail shipping with USPS First Class Mail [Forwardo]")
Airmail shipping with USPS First Class Mail [Forwardo]
