USPS First-Class Mail
Mail in 1–3 Business Days
First-Class Mail® is an affordable mail service for standard-sized, single-piece envelopes weighing up to 3.5 oz, with delivery in 3 business days or less.
First-Class Mail® is an affordable mail service for standard-sized, single-piece envelopes weighing up to 3.5 oz, with delivery in 3 business days or less.
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