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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.9
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. 100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! .

Perfect size for standard 8. 5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely. Great for storing receipts, monthly financials, magazines, tax returns, reports and more.

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Durable multi-purpose; ideal for mailing catalogues, magazines, brochures and more, documents, direct mail, promotional material, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.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.

Convenient storagevalbox 9x12 envelopes come with a sturdy box for protecting them from damaged during transportation, good for the unused catalog envelopes organize and storage.
Peel & seal, no licking this self seal catalog envelopes are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with multiple mailings. 9 x 12 inch self sealing envelopes is perfect for standard letter size papers, photographs, business documents, 250 Packs Coming with a nice storage box, magazines and more without folding. Keep your item safe and protect your privacy. It's not easy to see through the contents because of the thicken paper.

Provides complete security: your documents are safe from others during transit. Safe for sensitive documents like tax, legal, and financial documents. Great for storing receipts, tax returns, monthly financials, magazines, reports and more.

These quality park 9 x 12 kraft envelopes have speedy self seal closures; press it, seal it and fly through your daily mail routine; box of 250 Inkjet printer compatible and perfect for use with address labels; not recommended for the laser printer.

An excellent value: get 100 9 x 12 envelopes at a stock-up price that lets you plan ahead for home or office.
1. Quality Park
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Brown Kraft, 100 Per Box QUA44562, Organizing and Storage, Heavy 28-lb Paper, Quality Park 9" x 12" Self-Seal Catalog Envelopes, for Mailing
#adQuality Park #ad - Large count gives an ample supply, so purchasing is kept to a minimum. Manufactured from a durable stock for extra protection in mailing, storage and handling. Redi-strip provides a clean, quick seal immediately upon contact.More information #ad
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. Holds documents flat or folded. 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
2. Amazon Basics
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White, 9x12 Inch, Amazon Basics Catalog Mailing Envelopes, Peel & Seal, 100-Pack
#adAmazon Basics #ad - Ideal for mailing catalogs, brochures, booklets, and multi-page documents. Measures 9 by 12 inches each. Easy-to-seal peel and Seal closure—no moisture needed. Durable 28-pound white woven paper for quality and strength. 100-pack of no. 10-1/2 catalog envelopes.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP15 |
Model | AMZP15 |
More information #ad
3. Amazon Basics
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AMZP13, 9x12 Inch, Peel & Seal, Brown Kraft, Amazon Basics Catalog Mailing Envelopes, 100-Pack
#adAmazon Basics #ad - Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Durable 28-pound brown kraft material provides privacy and strength. Measures 9 by 12 inches each. Easy-to-seal peel and Seal closure—no moisture needed. 100-pack of 9 x 12 inch catalog envelopes.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP13 |
Model | AMZP13 |
More information #ad
4. Aimoh
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Ultra Strong Quick-Seal, 100 9 x 12 SELF Seal Security White Catalog Envelopes, Security Tinted, 9 x 12 inch 38100, 28lb
#adAimoh #ad - 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. 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.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.9
More information #ad
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. 100 9 x 12 catalog envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence! .
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. Blue Summit Supplies
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Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap 100 Envelopes, Designed for Secure Mailing, 100 9 X 12 Self Seal Security Catalog Envelopes
#adBlue Summit Supplies #ad - Safe for sensitive documents like tax, legal, and financial documents. Allows for organized storage of personal and company documents due to its large size and Security Tint.Perfect size for standard 8. 5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely. Great for storing receipts, monthly financials, magazines, tax returns, reports and more.
More information #ad
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. Provides complete security: your documents are safe from others during transit. Securely holds hefty files during transit due to it sturdy construction and thick 28 LB White Wove Paper.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 3.97 Pounds |
Part Number | BSS-92588-010 |
More information #ad
6. Aimoh
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9 X 12 Self-Seal Brown Kraft Catalog Mailing Envelopes, 28lb, 100 Count, 9x12 Inch 38300
#adAimoh #ad - 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! Self adhesive seal; aimoh's 9 x 12 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.2
More information #ad
28lb stock; manufactured from tough, durable construction like 28lb paper stock, standing up to normal postal wear and tear without damage, the durable, the brown kraft material will insure privacy of the envelopes contents, woven paper extends the tampering resistance of this envelope, . Durable multi-purpose; ideal for mailing catalogues, magazines, brochures and more, documents, direct mail, promotional material, Aimoh’s Catalog Envelopes can be easily hand addressed or customized with business information.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.
Brand | Aimoh #ad |
Manufacturer | Aimoh #ad |
Weight | 3.9 Pounds |
Part Number | 38300 |
More information #ad
7. ValBox
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ValBox 9x12 Self Seal Catalog Envelopes 250 Packs White Envelopes with Peel and Seal Flap for Mailing, Organizing and Storage
#adValBox #ad - 9 x 12 inches, contracts, valbox white catalog envelopes are 250pcs/packs. High quality kraft papervalbox heavyweight catalog envelopes are made of sturdier kraft paper for exceptional rip, tear and puncture resistance. You don't need to worry about the contents in the white catalog mailing envelopes falling out during transit even you have put hefty 60 sheets of paper or magazines.Convenient storagevalbox 9x12 envelopes come with a sturdy box for protecting them from damaged during transportation, good for the unused catalog envelopes organize and storage.
More information #ad
Provides complete security adhesive on valbox 9x12" security catalog envelopes creates a strong lasting seal. Good job in saving time. Otherwise, you can also run these through your laser or inkjet printers without bleeding ink out or going ink fuzzy. Peel & seal, no licking this self seal catalog envelopes are easy to peel and seal with a strong flap adhesive, no licking of glue or water to moisten when working with multiple mailings. 9 x 12 inch self sealing envelopes is perfect for standard letter size papers, photographs, business documents, 250 Packs Coming with a nice storage box, magazines and more without folding. Keep your item safe and protect your privacy. It's not easy to see through the contents because of the thicken paper.
Brand | ValBox #ad |
Manufacturer | ValBox #ad |
Part Number | VB026 |
More information #ad
8. Blue Summit Supplies
#ad
Oversize Strong Peel and Seal Flap with 28 Pound Kraft Paper- 100 Envelopes, Designed for Secure Mailing, 100 9 X 12 Self Seal Golden Brown Kraft Catalog Envelopes
#adBlue Summit Supplies #ad - 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.Provides complete security: your documents are safe from others during transit. Safe for sensitive documents like tax, legal, and financial documents. Great for storing receipts, tax returns, monthly financials, magazines, reports and more.
More information #ad
Allows for organized storage of personal and company documents due to its large size. 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 Kraft Paper.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-014 |
More information #ad
9. Quality Park
#ad
Quality Park Redi-Seal 9 x 12 Inch Kraft Catalog Envelopes 250 Count 43562
#adQuality Park #ad - Heavyweight 28 lb kraft paper envelopes are opaque to protect private contents; strong enough for shipping, sorting or organizing tasks.These quality park 9 x 12 kraft envelopes have speedy self seal closures; press it, seal it and fly through your daily mail routine; box of 250 Inkjet printer compatible and perfect for use with address labels; not recommended for the laser printer.
More information #ad
A great value; large envelopes are an economical way to send manuscripts, certificates or other documents you’d rather mail flat. Redi-seal envelopes have 2 adhesive sides; press closed for a clean, sanitary seal without envelope moisteners or clingy strips; no water, no waste.Brand | Quality Park #ad |
Manufacturer | 0 #ad |
Height | 9.4 Inches |
Length | 13.9 Inches |
Weight | 9.8 Pounds |
Width | 7.1 Inches |
Part Number | QUA43562 |
Model | QUA43562 |
More information #ad
10. Ampad
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100 Per Box 73127, Security Tint, Ampad Fastrip Security Catalog Envelope, Peel & Seal Adhesive, White, Tear-Away Quick-Open Strip, 9 Inch x 12 Inch
#adAmpad #ad - Large & roomy: the 9 x 12 size allows you to send documents without folding; a little room to spare accommodates luggage tags or other trinkets. Peel & seal convenience: you'll never lick or moisten envelopes again once you've realized the time savings from Fastrip envelopes; pull the tape and let the sticky adhesive strip do all the work.An excellent value: get 100 9 x 12 envelopes at a stock-up price that lets you plan ahead for home or office.
More information #ad
Sturdy & secure: the strong adhesive will keep your mailing protected; an opaque security tint obscures sensitive correspondence or private data. Just pull to open: your recipients can open mailings as quickly as you sent them, with one convenient tug; perfect for mailings to seniors, or others with limited hand dexterity.Brand | Ampad #ad |
Manufacturer | AMPAD/DIVI OF AMERICAN PD & PPR #ad |
Height | 3 Inches |
Length | 12.2 Inches |
Weight | 4.07 Pounds |
Width | 9.8 Inches |
Part Number | 73127 |
Model | TOP73127 |
More information #ad