Twice as strong as paper envelopes, the Self Seal Tyvek First Class Mailing Envelope - this envelope resist tears, rips and punctures, ensuring your documents are delivered safely. Ultimate durability: Tyvek envelopes resist rips and tears, protecting papers inside. No-worry security: Self-seal saves time and makes mailing easier, plus envelopes have First-Class Mail labeling
Style: Landscape Size: 12" x 9"Weight: Material: TyvekFlap Opening: Short Edge Seal: Self Seal
Postal Indicia
Printed indicia, instead of an adhesive postage stamp or meter stamp that shows postage prepayment by an authorized mailer. You can apply for a permit with the United States Postal Service here.
Postal Endorsements
These lines of text will inform the United States Postal Service of additional requests in the case that the mail is undeliverable. When these services are used, there is an additional fee to the USPS, information on the fees can be found here.
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