: Mailing & Shipping Supplies : Envelopes : Amazon.com : tyvek expansion envelopes

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

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

Prevents painful tongue cuts--Grip-Seal® flap works without moisture. Tyvek® packaging is almost impossible to rip or puncture. Expansion envelopes like ...  more

Prevents painful tongue cuts--Grip-Seal® flap works without moisture. Tyvek® packaging is almost impossible to rip or puncture. Expansion envelopes like ...  more

DuPont Tyvek is strong and moisture resistant. Release strip makes document easily accessible to recipient, yet maintains security of contents. Convenient Flap-Stik ...  more

10 x 13 x 1.5 inches 100 ct. Lightweight Tyvek Open End Expansion Envelopes- Superior protection for mailing bulky items. Ideal replacement for box or carton. ...  more

DuPont Tyvek is strong and moisture resistant. Releasestrip makes document easily accessible to recipient, yet maintains security of contents. Convenient Flap-Stik ...  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

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

Tyvek® exterior makes these envelopes almost impossible to rip or puncture. Lightweight material reduces mailing costs. These durable, reliable envelopes ...  more

Designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Features: Convenient and secure self-sealing ...  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

Tyvek® exterior makes these envelopes almost impossible to rip or puncture. Lightweight material reduces mailing costs. These durable, reliable envelopes ...  more

Lightweight envelope saves on postage. Ideal shape and design for negatives, art boards, blueprints. Won’t abrade or chemically affect contents. ...  more

10 x 13 inches 100 ct. Tyvek Catalog Envelopes- DuPont Tyvek is strong and moisture resistant. Releasestrip makes document easily accessible to recipient, yet ...  more

Envelope designed for ultimate protection. Protect what's inside. Superior moisture, burst and tear resistant protection. Features: Convenient and secure ...  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

Tyvek® exterior makes these envelopes almost impossible to rip or puncture. Lightweight material reduces mailing costs. These durable, reliable envelopes ...  more