The strongest envelopes available. Dupont Tyvek ® envelopes are tear and water resistant. Lightweight to save on postage costs. Realeasetrip feature allows easy access to your documents, but provides a secure closure. Dupont Tyvek ® envelopes contain 2 ... Read more

$32.00 - $62.00

Regular weight Expansion Envelopes offer superior protection for mailing bulky items which are not too heavy. Ideal replacement for costly box or carton. Convenient Flap Stik closure. Envelopes made of DuPont Tyvek won t rip tear or puncture. Much stronger and more secure than traditional paper enve... Read more

$110.00 - $263.00

Added security for confidential documents. Tamper-evident feature incorporated in flap. Word "OPENED" appears in red to signal tampering. Strong, lightweight and water-resistant. 14 lbs. White. 100 per box. ... Read more

$58.00 - $120.00

Open-End Tyvek envelopes are tough and durable. Lightweight for extra-thick mailings such as binders or catalogs. Convenient Flap-Stik closure requires no moisture to seal. SOLD BY THE BX ... Read more

$35.00 - $120.00

COLUMBIAN: Tyvek® First Class Catalog Envelopes Tyvek® First Class Catalog Envelopes 10 x 13 100/Box. sku : WEVCO806 UPC : 50026900908067 Original Manufacturer Id:CO806 ... Read more

$29.00 - $189.00

Super strong yet lightweight expanding Tyvek envelopes are moisture resistant and tear resistant. Standard 14 lb. Tyvek. No lick Grip Seal closure feature makes envelopes quick and convenient to use. ... Read more

$99.00 - $232.00

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$111.00 - $193.00

Columbian CO816 ( WEVCO816 ): Tyvek Grip Seal Expansion Envelopes. Durable—resists punctures, tears and moisture White. Open-Side Envelopes expand for added functionality. Open side for easy insertion of materials. Lightweight—14-lb. Plain—100 envelopes per carton. 12 x 16 x 2 ... Read more

$128.00 - $270.00

Tyvek Grip Seal Expansion Envelopes Durable resists punctures, tears and moistureWhite.Open-EndDurable envelopes save on postage; expansion accommodates bulky materials.Lightweight 14-lb.First-Class 100 envelopes per carton.12 x 16 x 2 WEVCO815, WEV-CO815, CO815 ... Read more

$104.00 - $245.00

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$42.00 - $91.00

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$42.00 - $89.00

Columbian CO813 ( WEVCO813 ): Tyvek Grip Seal Expansion Envelopes. Durable—resists punctures, tears and moisture White. Open-End Durable envelopes save on postage; expansion accommodates bulky materials. Lightweight—14-lb. First-Class—100 envelopes per carton. 10 x 13 x 1-1/2 ... Read more

$68.00 - $171.00

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$53.00 - $129.00

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$63.00 - $123.00

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$115.00 - $208.00

Usually Ships the Same Day Usually Delivered within 24-72 hours Highest Quality Product Manufactured by Columbian Sold As 1 BX, Manufacturer: Columbian ... Read more

$31.00 - $59.00

Tyvek Envelopes are super strong yet lightweight. Envelopes are moisture resistant and tear resistant. No lick Grip Seal Closure features makes them quick and convenient to use. 14 lb. Ideal for mailing letters and other written documents. ... Read more

$18.00 - $99.00

Usually Ships the Same Day Usually Delivered within 24-72 hours Highest Quality Product Manufactured by Quality Park Sold As 1 BX, Manufacturer: Quality Park ... Read more

$27.00 - $58.00

Plain; 10"x13"; 50/BX; White. Tyvek Envelopes are super strong, yet lightweight. Envelopes are moisture-resistant and tear-resistant. No-lick Grip-Seal Closure features makes them quick and convenient to use. 14 lb. Ideal for mailing letters and other written documents. Columbian Envelope,... Read more

$20.00 - $110.00

Protect what s inside with these specially designed envelopes with open side closure. Superior water chemical moisture burst tear and puncture resistant protection. Ideal for mailing bulky items and materials. Excellent alternative to boxes and cartons. Offers a convenient secure and no moisture req... Read more

$89.00 - $159.00