Top 8 9×12 Tyvek Envelopes Self Seal – Box Mailers

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1. Quality Park

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White Box of 100, Quality Park Survivor R1460 Tyvek Mailer, 9 x 12

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Quality Park #ad - Redi-strip self seal closure provides a clean, quick seal immediately upon contact. Tyvek material is resistant to tears, punctures, moisture and chemicals - for long-lasting performance. Catalog mailers made with DuPont Tyvek Material, lightweight, strong and durable. Packed 100 per box for convenience. The release strip feature of the survivor Tyvek envelope make the contents easily accessible to the recipient, yet maintains the security of the envelopes contents.
BrandQuality Park #ad
Manufacturer0 #ad
Height2.5 Inches
Length12.25 Inches
Weight2.48 Pounds
Width9.25 Inches
Part NumberR1460
ModelR1460

2. EnDoc

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9x12 Tyvek Envelopes – Strong Lightweight Professional Shipping Mailer Tear Resistant DuPont™ Tyvek® Construction & Easy Security Self Seal Closure –Bright White DuPont – Bulk Pack of 15 – 9 x 12 inch

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EnDoc #ad - Buy checkomatic & save big – stock up on bulk supplies & enjoy the best prices in the industry; Envelope Packs Available in 6x9, 9x12, 10x13, 10x15 & 12 x 15 1/5 .

Heavy duty envelopes – classic white mailers are perfect for Sending Documents, Invoices, Checks & Other Office Correspondence; Box of 15 Sheets. Indestructible dupont design – lightweight but strong, durable Tyvek Material Resists Ripping, Rain, Punctures, tearing, Moisture & Other Common Postal Threats. Superior shipping protection – double reinforced construction, Opaque Color & Super Sticky Glue Offers Maximum Security for Confidential Business Mail. Convenient self seal closure – peel back the sticker to quickly & Effortlessly Seal & send; Open End Catalog Orientation Enables Fast Paper & Packet Stuffing.
BrandEnDoc #ad
ManufacturerEnDoc #ad
Part NumberEn10

3. Tyvek

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Case of 100, Aviditi TYVEK Flat First Class Self-Seal Envelopes, Top Opening, White/Green, For Shipping Important Documents, 9" x 12", Promotional Materials and Brochures, Tear and Moisture Resistant Mailer

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Tyvek #ad - Ten times stronger than paper envelopes. Measures 12-inches length by 9-inches width. Constructed from 14 lbs olefin. Feature self-seal closure. Tyvek envelopes provide superior puncture, tear and moisture protection.
BrandTyvek #ad
ManufacturerQuality Park #ad
Part NumberTYF0912FC
ModelTYF0912FC

4. Aimoh

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Security Tinted, 9x12 inch 38100, Ultra Strong Quick-Seal, 28lb, 100 9 x 12 SELF Seal Security White Catalog Envelopes

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Aimoh #ad - Security tint pattern; ideal for secure business mailing and sensitive correspondence, security tint pattern to protect contents, each 9x12 envelope contains a super secure, information and data when mailing.

White 28lb stock; perfect for everyday business use, super secure seal across each envelope's width that won't easily open or tear and use high quality, Aimoh’s 9x12 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, white 28lb stock for a professional finish.99x12 catalog envelopes; aimoh’s white 9x12 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 9x12 envelopes on the market.

For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, thicker, catalogs, perfect for photos, larger documents and other business mailings.100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! .
BrandAimoh #ad
ManufacturerAimoh #ad
Height2.5 Inches
Length9 Inches
Weight4.06 Pounds
Width12 Inches
Part NumberFBA_38100
ModelFBA_38100

5. Partners Brand

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12" x 16" x 4", Partners Brand PTYE12164WS Tyvek Expandable Envelopes, White Pack of 50

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Partners Brand #ad - 50 pack bulk box value bundle - Manufactured from Partners Brand and brand new. 100% recyclable and reusable - Simple materials, excellent performance; Made in the USA. Extra large, large, medium and Small Size Envelopes - Perfect for house files, business file and personal household items. Safely store & ship important Documents - Large envelopes protect oversized printed items, for shipping, or storage. Perfect shipping supplies - designed to fit Photos, documents, shipping, storage, or artwork and other personal items for moving, or small business packaging.
BrandPartners Brand #ad
ManufacturerPartners Brand #ad
Part NumberPTYE12164WS
ModelPTYE12164WS

6. Blue Summit Supplies

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100 9 X 12 Self Seal Security Catalog Envelopes, Designed for Secure Mailing, Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap 100 Envelopes

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Blue Summit Supplies #ad - Allows for organized storage of personal and company documents due to its large size and Security Tint. Great for storing receipts, tax returns, monthly financials, magazines, reports and more.

Perfect size for standard 8. 5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely. Securely holds hefty files during transit due to it sturdy construction and thick 28 LB White Wove Paper. Just peel and seal to create a strong lasting seal: No need to worry about your contents failing out during transit even when shipping hefty shipments like 60 sheets of paper or magazines. Safe for sensitive documents like tax, legal, and financial documents. Provides complete security: your documents are safe from others during transit.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight3.97 Pounds
Part NumberBSS-92588-010

7. Aimoh

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28lb, 10x13 inch 39100, Ultra Strong Quick-Seal, 100 Count, Security Tinted, 100 10 x 13 Self-Seal Security White Catalog Envelopes

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Aimoh #ad - Self adhesive seal; aimoh's 10 x 13 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, ideal for mailing thicker catalogues, super secure seal across each envelope's width that won't easily open or tear, brochures and magazines.

Security tint pattern; ideal for secure business mailing and sensitive correspondence, each 10x13 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing.1100 10 x 13 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! White 28lb stock; perfect for everyday business use, aimoh’s 10x13 envelopes are designed with an ultra strong SELF-SEAL adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear and use high quality, white 28lb stock for a professional finish.1

10x13 catalog envelopes; aimoh’s white 10x13 security envelopes combine a professional security tint pattern, large size for business documents and premium quality for the best 10x13 envelopes on the market.
BrandAimoh #ad
ManufacturerAImoh #ad
Part Number39100
Model39100

8. Columbian Envelopes

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Columbian Envelopes Columbian 9 x 12 Catalog Mailing Envelopes, Security Tint, Peel and Seal Closure, White, SimplySafe Tamper Evident, Pull Strip, 100/Box COLO930

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Columbian Envelopes #ad - Each catalog envelope is easy to open and close; simply remove the Release & Seal strip and press the flap closed for a clean, sanitary seal; use the pull strip to open without difficulty.

Stock up on boxes of 100 catalog mailing envelopes made from durable 28 lb paper and save; these tamper evident catalog envelopes are ideal for sending important documents through the mail. What you'll receive: a box of 100 columbian 9 x 12 inch white catalog envelopes with a SimplySafe tamper-evident seal, pull strip opening and peel off Release & Seal closure. Protect critical documents or your customers' sensitive data; these tinted envelopes have a reflex blue pattern that obscures the details of what's inside. Columbian 9 x 12 envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening.
BrandColumbian Envelopes #ad
ManufacturerTOPS Products #ad
Height3 Inches
Length12.19 Inches
Width9.75 Inches
Part NumberCOLO930
ModelCOLO930