DuPont™ Tyvek® for Flat Envelopes
Strong, durable and lightweight flat envelopes made of DuPont™ Tyvek® help keep important documents safe and secure.
Tyvek® flat envelopes are available in plain, First Class or Air Mail border, and at half the weight of other envelopes, they can help you save on postage. Flat envelopes can be custom printed and include a variety of features such as windows, patch pockets, and a variety of closures, etc.
All styles are available in a variety of sizes to meet your needs.