The Priority Mail Flat Rate® Window Envelope - EP14W 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: These envelopes are sold in packs of 10. 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.
- There is $50 insurance coverage included on each Priority Mail shipment.
The Postal Store® ships all in-stock orders with USPS Tracking® service. 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.
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.