Domestic send-by dates for expected delivery before Dec. 25th*:

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*Actual delivery date may vary and is based on origin, destination, Post Office acceptance time and other conditions.

**Priority Mail Express® postage refund eligibility is adjusted for shipments mailed December 22-25. For Priority Mail Express® shipments mailed December 22 through December 25, the money-back guarantee applies only if the shipment was not delivered, or delivery was not attempted, within two (2) business days.