: Mailing & Shipping Supplies : Envelopes : Amazon Marketplace : tyvek expansion envelopes

Horizontal, file-style expansion mailer makes material packing and removal easy. Durable Tyvek construction is substantially stronger and significantly lighter than ...  more

Regular weight, open-end envelopes are super strong, moisture-resistant and tear-resistant. These plain envelopes feature a Tyvek expansion.Packaged Quantity: 100 , ...  more

Heavyweight, open-end envelopes are super strong, moisture-resistant and tear-resistant. These plain envelopes feature a Tyvek expansion.Packaged Quantity: 50 , ...  more

Tyvek Expansion Envelope  more

Regular weight, open-end envelopes are super strong, moisture-resistant and tear-resistant. These plain envelopes feature a Tyvek expansion.Packaged Quantity: 100 , ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and ...  more

Designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and materials. ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Ideal for mailing bulky items and ...  more

Quality Park Products Tyvek Expansion First Class Envelope  more

Superior protection for bulky items. Durable envelope resists punctures, tears and moisture. Expands on sides to fit binders, books, reports. Use instead of cartons ...  more

Lightweight Tyvek with side openings allows for easier insertion of contents. Tear and moisture resistant. Convenient Flap-Stik closure.  more

Regular weight expansion envelopes offers protection for mailing bulky items Color: White. Closure Type: Self-Seal. Size: 10inch x 13inch x 2inch . Flap: ...  more

Heavyweight Expansion Envelopes offer superior protection for mailing bulky items Color: White. Closure Type: Self-Seal. Size: 10inch x 13inch x 2inch . Flap: ...  more

Heavyweight Expansion Envelopes offer superior protection for mailing bulky items Color: White. Closure Type: Self-Seal. Size: 12inch x 16inch x 4inch . Flap: ...  more

Columbian® Tyvek Grip-Seal 2" Expansion Envelopes, Open Side, 10 x 13, 100/box Horizontal, file-style expansion mailer makes material packing and removal ...  more

10 x 13 x 1 1/2 Tyvek Heavyweight Open End Expansion Envelopes. Superior protection for mailing bulky items. Ideal replacement for box or carton. Convenient ...  more