The Priority Mail Express® Tyvek®* Envelope is quick, easy, and convenient way for you to ship extremely urgent material. This Tyvek® envelope is durable, water resistant and offers you flexibility and speed when shipping items that do not require the added protection of a corrugated box.
Please Note: This product ships in packs of 10. An order of 1 equals 10 envelopes.
Each Priority Mail and Priority Mail Express shipment includes USPS Tracking®.
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.
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.