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Tyvek® Expansion Envelopes

Expansion envelopes made of Tyvek® may be used for many purposes. Mailing or shipping large packages are just one example. Expandable Tyvek® envelopes are water and tear resistant, too.

If you need a product that is not listed on our site, call 612.867.2121 or email our Sales Department doug@easyenvelopes.com.

Tyvek expansion envelopes are open end in 14# or 18# weights
Tyvek OE Expanders Available in 15+ Sizes
Open End
Tyvek® Open Side Expansion envelopes are available in many sizes
Available in 14+ sizes
Open Side
First Class Expansion Envelopes are available in OE or OS
Available in 11 sizes
First Class
Tyvek® expanders are available in custom ordered envelopes. Flood coating or custom windows can be added
Custom sizes, features & printing
Custom
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Are you mailing 3-4 envelopes to the same office? Consolidate and use one Tyvek® Expansion envelope to save time and postage.

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