This Priority Mail Flat Rate® Window Envelope envelope features a predetermined rate, regardless of the weight or destination zone.
This item ships in packs of 10 envelopes.
For more information, please visit the Shipping Page.
Priority Mail Flat Rate® envelopes and boxes are free when you pay for USPS® Priority Mail Flat Rate shipping service. Priority Mail Flat Rate shipping supplies may only be used to ship via Priority Mail Flat Rate.
Sending Domestic:
What’s Included:
Requirements:
Visit Priority Mail Flat Rate for more on pricing, restrictions, exclusions, and details.
Sending International:
If a Priority Mail Flat Rate envelope or box is used for international shipping, it will be charged at Priority Mail International Flat Rate prices.
Visit Priority Mail International for more on pricing, features, restrictions, exclusions, customs information, and other details.
The Priority Mail Flat Rate® Window Envelope is quick, easy, and convenient - simplifying your Priority Mail® shipping process for documents. Just like the Flat Rate Envelope, this paperboard envelope features a pre-determined price regardless of the weight (up to 70 lbs) or destination of the package. This envelope allows for pre-addressed documents or large pre-addressed envelopes to be placed in the envelope. This envelope also allows for the printing of mailing labels, centered, on an 8-1/2" x 11" sheet of paper for easy insertion.
Please Note: This item is sold in packs of 10 envelopes. An order of 1 equals 10 envelopes. The minimum order quantity is 1 and the maximum order quantity is 30.
The Priority Mail® Window Flat Rate Envelope qualifies for Commercial Base and Commercial Plus prices.
Each Priority Mail and Priority Mail Express shipment includes USPS Tracking® service.
Made in the USA.
Dimensions: 12-1/2"(L) x 9-1/2"(H)
For more information, please visit the Priority Mail Page.
Insurance Included:
- There is $100 insurance coverage included on each Priority Mail shipment.
Through the Postal Store® website, the Postal Service ships all in-stock orders with USPS Tracking® service. Please allow one business day from order receipt for in-stock items to be shipped via USPS Ground Advantage® service or via Priority Mail® service for a fee. See further details below.
To view your order status and tracking information, sign in to your USPS.com® account, go to "Activity History", and select your order number.
Orders from the Postal Store® website may be shipped from different distribution centers. If your order contains multiple items, they may be shipped separately.
The Postal Store® does not accept orders for shipment outside the United States, but we do ship to APO/FPO/DPO addresses and U.S. territories.
Free Shipping
Expedited packaging supplies are shipped via USPS Ground Advantage® service, arriving within 2-5 business days based on distance at no cost to the customer. For your convenience, all orders will include a “Carrier – Leave if No Response” endorsement. This will allow your carrier to leave your order if you are not available.
Expedited Shipping
Expedited packaging supplies can be shipped via Priority Mail® service, arriving within 1-3 business days based on distance for a fee.
