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  • The Priority Mail Express® Padded Flat Rate Envelope measures 12-1/2"(L) x 9-1/2"(W). The envelope is lined with bubble padding to provide a little extra protection to the package contents. This padded envelope is a great choice for shipping at the low flat rate price.

    Priority Mail Express®service offers a money-back guarantee (some restrictions apply) and overnight delivery to most U.S. addresses, including Post Office® Boxes. Priority Mail Express® is delivered 365 days a year with no Saturday delivery charges, residential surcharges or fuel surcharges. Sunday and holiday delivery is available to many ZIP codes for a modest premium.

    Please Note: This product ships in packs of 5, 10 or 15. An order of 1 equals 5, 10 or 15 boxes depending on your selection under Format.

    Each Priority Mail and Priority Mail Express shipment includes USPS Tracking®.

    SKUs featured on this page: EP13PE-V, EP13PE-X, EP13PE-XV

  • Dimensions: 12-1/2"(L) x 9-1/2"(W)

    For more information, please visit the Priority Mail Express Page.

  • The Postal Store® ships all in-stock orders with USPS Tracking™. Please allow 3-5 business days for in-stock items to be shipped with Default Shipping, or 1-2 business days for in-stock orders to be shipped with Priority Mail Express® service.

    To view your order status and tracking information, sign in to your USPS.com® account, go to "Activity History", and select your Order#.

    Orders from the Postal Store may be shipped from different distribution centers. If your order contains multiple items, they may be shipped separately.

    The Postal Store® cannot accept orders for shipment outside the United States, but we do ship to APO/FPO/DPO addresses and U.S. territories.

    Free Shipping Supplies
    Free shipping supplies are shipped with Parcel Select Ground® service within 2–8 business days. For your convenience, all orders will include a “Leave if No Response” release. This will allow your carrier to leave your order if you are not available.

    Expedited Shipping Supplies
    Your local Post Office™ facility fulfills orders of Flat Rate Expedited Shipping Supplies. If your local Post Office cannot fulfill your order within 1–2 business days, our distribution center will fulfill your order within 2–8 business days.

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