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9x12 self-seal kraft envelopes; ideal for everyday business use and professional mailings, each box of our premium 9x12 mailing envelopes with the peel and seal closure provide great value 100 envelope supply, for the best value on the market! Durable multi-purpose; ideal for mailing catalogues, magazines, direct mail, promotional material, brochures and more, documents, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.2
28lb stock; manufactured from tough, woven paper extends the tampering resistance of this envelope, the brown kraft material will insure privacy of the envelopes contents, durable Construction like 28lb paper stock, the durable, standing up to normal postal wear and tear without damage, .

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.

Security tint pattern; ideal for secure business mailing and sensitive correspondence, each 9x12 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing.1
For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, perfect for photos, thicker, catalogs, larger documents and other business mailings.



Great for home, interoffice or mailing. In addition to the clasp closure, these envelopes have a moisture activated seal with deep gumming on the flap to create a permanent seal.


1. Amazon Basics
#ad
Peel & Seal, White, 9x12 Inch, Amazon Basics Catalog Mailing Envelopes, 250-Pack
#adAmazon Basics #ad - Measures 9 by 12 inches each. 250-pack of #10-1/2 catalog envelopes. Easy-to-seal peel & Seal closure—no moisture needed. Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Durable 28-pound white woven paper for quality and strength.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Height | 8 Inches |
Length | 12 Inches |
Weight | 9.77 Pounds |
Width | 9.25 Inches |
Part Number | AMZA33 |
Model | AMZA33 |
More information #ad
2. Aimoh
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9 X 12 Self-Seal Brown Kraft Catalog Mailing Envelopes, 28lb, 100 Count, 9x12 Inch 38300
#adAimoh #ad - 9x12 kraft envelopes; aimoh’s catalog envelopes combine tough 28lb golden kraft paper stock, strong self-sealing SELF-SEAL Closure for the best catalog envelopes on the market, perfect for large documents and all business correspondence. Self adhesive seal; aimoh's 9 x 12 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, ideal for mailing thicker catalogues, brochures and magazines.9x12 self-seal kraft envelopes; ideal for everyday business use and professional mailings, each box of our premium 9x12 mailing envelopes with the peel and seal closure provide great value 100 envelope supply, for the best value on the market! Durable multi-purpose; ideal for mailing catalogues, magazines, direct mail, promotional material, brochures and more, documents, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.2
More information #ad
228lb stock; manufactured from tough, woven paper extends the tampering resistance of this envelope, the brown kraft material will insure privacy of the envelopes contents, durable Construction like 28lb paper stock, the durable, standing up to normal postal wear and tear without damage, .
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Part Number | AE-912CGS |
Model | AE-912CGS-38300-100 |
More information #ad
3. Columbian Envelopes
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100/Box COLO930, Peel and Seal Closure, SimplySafe Tamper Evident, White, Security Tint, Columbian Envelopes Columbian 9 x 12 Catalog Mailing Envelopes, Pull Strip
#adColumbian Envelopes #ad - Protect critical documents or your customers' sensitive data; these tinted envelopes have a reflex blue pattern that obscures the details of what's inside. 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.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.
More information #ad
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. Columbian 9 x 12 envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening.Brand | Columbian Envelopes #ad |
Manufacturer | TOPS Products #ad |
Height | 3 Inches |
Length | 12.19 Inches |
Width | 9.75 Inches |
Part Number | COLO930 |
Model | COLO930 |
More information #ad
4. Aimoh
#ad
Security Tinted, 9x12 inch 38100, Ultra Strong Quick-Seal, 100 9 x 12 SELF Seal Security White Catalog Envelopes, 28lb
#adAimoh #ad - 9x12 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.Security tint pattern; ideal for secure business mailing and sensitive correspondence, each 9x12 envelope contains a super secure, security tint pattern to protect contents, information and data when mailing.1
More information #ad
100 9 x 12 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, 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. For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, perfect for photos, thicker, catalogs, larger documents and other business mailings.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Height | 2.5 Inches |
Length | 9 Inches |
Weight | 4.06 Pounds |
Width | 12 Inches |
Part Number | FBA_38100 |
Model | FBA_38100 |
More information #ad
5. Mead
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Mead Letter Size Mailing Envelopes, 100 per Pack CO790, Brown Manila Kraft Envelope, All-Purpose 24-lb Paper, Clasp Closure, 9" X 12"
#adMead #ad - 9 x 12 inches; 100 envelopes per box. Brown kraft material provides privacy of contents. Extra heavy-duty opaque 32 lb. Durable multi-purpose envelope; dual purpose seal allows for multiple uses; use the moisture activated gummed seal for mailing or the strong metal clasp for repeated use and storage purposes.More information #ad
Brand | Mead #ad |
Manufacturer | Mead #ad |
Height | 14.88 Inches |
Length | 3.75 Inches |
Width | 9.25 Inches |
Part Number | CO790m |
Model | CO790m |
More information #ad
6. Quality Park
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Brown Kraft, Heavy 28-lb Paper, Organizing and Storage, for Mailing, Quality Park 9" x 12" Self-Seal Catalog Envelopes, 100 Per Box QUA44562
#adQuality Park #ad - Large count gives an ample supply, so purchasing is kept to a minimum. Redi-strip provides a clean, quick seal immediately upon contact. Manufactured from a durable stock for extra protection in mailing, storage and handling.More information #ad
Holds documents flat or folded. Envelopes with redi-strip closure are perfect for storing and mailing letters, documents, catalogs, photos and other home and business mailings. Simply peel off the adhesive strip and press to seal. The peel-off strip protects the adhesive from dust for a longer shelf life.Brand | Quality Park #ad |
Manufacturer | 0 #ad |
Height | 2.9 Inches |
Length | 12.2 Inches |
Weight | 1 Pounds |
Width | 9.4 Inches |
Part Number | 44562 |
Model | 44562 |
More information #ad
7. Quality Park
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28 lb Brown Kraft, 100 per Box QUA37890, Great for Filing, Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Storing or Mailing Documents
#adQuality Park #ad - Conveniently packed in large count to reduce frequency of purchasing. Great for organizing and storing letters, documents, photos or records.Great for home, interoffice or mailing. In addition to the clasp closure, these envelopes have a moisture activated seal with deep gumming on the flap to create a permanent seal.
More information #ad
Reusable, school, office, double prong metal clasp is durable and designed for repeated use and eyelets are reinforced . Brown kraft stock to give contents extra protection during mailing, storage and handling. Perfect for everyday home and business use, clasp envelopes are made from heavyweight 28 lb.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 3.75 Inches |
Length | 14 Inches |
Weight | 4 Pounds |
Width | 9.1 Inches |
Part Number | QUA37890 |
Model | 37890 |
More information #ad
8. Amazon Basics
#ad
250-Pack, Brown Kraft, Peel & Seal, Amazon Basics Catalog Mailing Envelopes, 9x12 Inch
#adAmazon Basics #ad - Easy-to-seal peel & Seal closure—no moisture needed. 250-pack of 9 x 12 inch catalog envelopes. Measures 9 by 12 inches each. Ideal for mailing catalogs, brochures, booklets, and multi-page documents. Durable 28-pound brown kraft material provides privacy and strength.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Height | 8 Inches |
Length | 13 Inches |
Width | 9 Inches |
Part Number | AMZA31 |
Model | AMZA31 |
More information #ad
9. JAM Paper
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White, 25/Pack, JAM PAPER 9 x 12 Open End Catalog Commercial Envelopes
#adJAM Paper #ad - Features a straight flap with gummed closure and smooth paper finish. Size: 9. 5 x 12. 5 inches. Color: White. Quantity: 25 /pack. Perfect for personal mail, business mailings, greeting cards, announcements, and so much more!.More information #ad
Brand | JAM Paper #ad |
Manufacturer | JAM Paper & Envelope #ad |
Height | 12 Inches |
Length | 9 Inches |
Weight | 1.9 Pounds |
Width | 0.1 Inches |
Part Number | 1623197 |
Model | 1623197 |
More information #ad