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The flaps close with full flap gum to endure humid climates to ensure the envelope stays sealed so your contents don't fall out! 9 x 12 size: perfect size for mailing and storing 8-1/2 x 11 sized documents flat when folding is undesirable.
Gummed flap: in addition to the clasp closure, these quality park envelopes have a moisture activated secure seal with deep Gumming on the flap to create a permanent seal. Brown kraft stock designed to give contents extra protection during mailing, storage and handling.


Quality park 9 x 12 catalog mailing envelopes are ideal for large or heavy inserts; made of thick kraft paper with strong center seams; 250 per box.

9 x 12 inch self sealing envelopes is perfect for standard letter size papers, business documents, magazines and more without folding. Provides complete security adhesive on valbox 9x12" security catalog envelopes creates a strong lasting seal.
You don't need to worry about the contents in the brown catalog mailing envelopes falling out during transit even you have put hefty 60 sheets of paper or magazines. It's not easy to see through the contents because of the thicken paper. 9 x 12 inches, photographs, contracts, 250 packs coming with a nice storage box, ValBox kraft catalog envelopes are 250pcs/packs. Keep your item safe and protect your privacy.


Perfect for everyday home and business use, clasp envelopes are made from heavyweight 28 lb. Great for organizing and storing letters, documents, photos or records. Conveniently packed in large count to reduce frequency of purchasing.




With a metal clasp and gummed seal on the envelope flap, your contents will stay secure whether you’re mailing them, or keeping them safe in a file. Made from 28lb kraft paper, these envelopes resist tearing to keep your contents safe, and are easy to label with any type of writing utensil or printed label sticker.
1. Quality Park
#ad
Storing or Mailing Documents, 250 per Box 37590, Great for Filing, 28 lb Brown Kraft, Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps
#adQuality Park #ad - Packed in 250 count: so many uses means supply is depleted quickly! Conveniently packed in 250 count to reduce frequency of purchasing. Brown kraft 28 lb stock: perfect for everyday home and business use, Quality Park's clasp envelopes are constructed from heavyweight 28 lb.The flaps close with full flap gum to endure humid climates to ensure the envelope stays sealed so your contents don't fall out! 9 x 12 size: perfect size for mailing and storing 8-1/2 x 11 sized documents flat when folding is undesirable.
More information #ad
Great for home, office, interoffice or mailing. Reusable clasp: designed for repeated use, school, double prong metal clasp is durable and eyelets are reinforced. Gummed flap: in addition to the clasp closure, these quality park envelopes have a moisture activated secure seal with deep Gumming on the flap to create a permanent seal. Brown kraft stock designed to give contents extra protection during mailing, storage and handling.
Brand | Quality Park #ad |
Manufacturer | 0 #ad |
Height | 9.75 Inches |
Length | 14.31 Inches |
Weight | 0.06 Pounds |
Width | 9.06 Inches |
Part Number | 37590 |
Model | 37590 |
More information #ad
2. MyOfficeInnovations
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Myofficeinnovations 487493 Brown Kraft Clasp Envelopes 9 X 12, 250/Bx
#adMyOfficeInnovations #ad - Made from brown kraft paper that conceals contents from prying eyes. Dimensions: 12"l x 9"H, size #10 Catalog envelopes are perfect for documents. Sold as 250/Box. The clasp closure keeps your documents secured inside the envelope.More information #ad
Brand | MyOfficeInnovations #ad |
Manufacturer | MyOfficeInnovations #ad |
Height | 12 Inches |
Length | 0 Inches |
Width | 9 Inches |
Part Number | MYO487493 |
More information #ad
3. Quality Park
#ad
28lb, Kraft, 250/Box QUA41465, Heavyweight/Gummed, 9x12, Quality Park 41465 Quality Park Catalog Envelopes
#adQuality Park #ad - Roomy mailers are an economical envelope for manuscripts, booklets, brochures, homeschool projects, sales literature or photos that must mail flat. Kraft paper; ideal for privacy and durability; a no clasp envelope is also easier to mail.Quality park 9 x 12 catalog mailing envelopes are ideal for large or heavy inserts; made of thick kraft paper with strong center seams; 250 per box.
More information #ad
Sturdy quality park envelopes are manufactured from 28 lb. A wide, heavily gummed envelope flap provides a secure, permanent seal for bulky inserts; center seam construction withstands weight and wear & tear. So versatile and popular, you’ll need a steady supply; stock up now on your favorite business envelopes for the home office, work or homeschool.Brand | Quality Park #ad |
Manufacturer | 0 #ad |
Height | 9.4 Inches |
Length | 12.4 Inches |
Weight | 0.06 Pounds |
Width | 7.6 Inches |
Part Number | QUA41465 |
Model | QUA41465 |
More information #ad
4. ValBox
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Organizing and Storage, ValBox 9x12 Self Seal Security Catalog Envelopes 250 Packs Brown Kraft Envelopes with Peel and Seal Flap for Mailing
#adValBox #ad - 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. Good job in saving time. High quality kraft papervalbox heavyweight catalog envelopes are made of sturdier kraft paper for exceptional rip, tear and puncture resistance.9 x 12 inch self sealing envelopes is perfect for standard letter size papers, business documents, magazines and more without folding. Provides complete security adhesive on valbox 9x12" security catalog envelopes creates a strong lasting seal.
More information #ad
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. Otherwise, you can also run these through your laser or inkjet printers without bleeding ink out or going ink fuzzy. You don't need to worry about the contents in the brown catalog mailing envelopes falling out during transit even you have put hefty 60 sheets of paper or magazines. It's not easy to see through the contents because of the thicken paper. 9 x 12 inches, photographs, contracts, 250 packs coming with a nice storage box, ValBox kraft catalog envelopes are 250pcs/packs. Keep your item safe and protect your privacy.
Brand | ValBox #ad |
Manufacturer | ValBox #ad |
Part Number | VB027 |
More information #ad
5. STAPLES
#ad
Staples 487493 Brown Kraft Clasp Envelopes 9-Inch X 12-Inch 250/Box
#adSTAPLES #ad - Made from brown kraft paper that conceals contents from prying eyes. Sold as 250/Box. The clasp closure keeps your documents secured inside the envelope. Dimensions: 12"l x 9"H, size #10 Catalog envelopes are perfect for documents.More information #ad
Brand | STAPLES #ad |
Manufacturer | Staples #ad |
Height | 12 Inches |
Length | 0 Inches |
Weight | 21.55 Pounds |
Width | 9 Inches |
Part Number | 487493/17242 |
More information #ad
6. Quality Park
#ad
100 per Box QUA37890, Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Storing or Mailing Documents, 28 lb Brown Kraft, Great for Filing
#adQuality Park #ad - Brown kraft stock to give contents extra protection during mailing, storage and handling. Great for home, interoffice or mailing.Perfect for everyday home and business use, clasp envelopes are made from heavyweight 28 lb. Great for organizing and storing letters, documents, photos or records. Conveniently packed in large count to reduce frequency of purchasing.
More information #ad
In addition to the clasp closure, these envelopes have a moisture activated seal with deep gumming on the flap to create a permanent seal. Reusable, office, school, double prong metal clasp is durable and designed for repeated use and eyelets are reinforced.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
7. Amazon Basics
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AMZA31, Brown Kraft, Peel & Seal, 9x12 Inch, Amazon Basics Catalog Mailing Envelopes, 250-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. 250-pack of 9 x 12 inch catalog envelopes. Easy-to-seal peel & Seal closure—no moisture needed.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZA31 |
Model | AMZA31 |
More information #ad
8. Quality Park
#ad
Brown Kraft, Gummed Flap, Quality Park 9" x 12" Clasp Envelopes, 100/Box QUA37790
#adQuality Park #ad - 100 per box: always have a good supply on hand with this 100 count box. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced. Permanent seal: in addition to the clasp closure, the deep gumming on the flap can create a permanent seal.More information #ad
Heavy duty: extra durable, 32 lb. Brown kraft stock gives contents extra protection during mailing, storage and handling. All-purpose: perfect size for mailing and storing a variety of documents, especially letter-sized documents when folding is undesirable.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 4 Inches |
Length | 14.9 Inches |
Weight | 0.06 Pounds |
Width | 9.3 Inches |
Part Number | QUA37790 |
Model | QUA37790 |
More information #ad
9. Amazon Basics
#ad
Peel & Seal, Amazon Basics Catalog Mailing Envelopes, 250-Pack, White, 9x12 Inch
#adAmazon Basics #ad - Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Easy-to-seal peel & Seal closure—no moisture needed. 250-pack of #10-1/2 catalog envelopes. Measures 9 by 12 inches each. 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 |
Width | 9.25 Inches |
Part Number | AMZA33 |
Model | AMZA33 |
More information #ad
10. Blue Summit Supplies
#ad
Letter Size Clasp Mailing Envelopes Made From 28lb Kraft Paper, Blue Summit Supplies 100 9” x 12” Clasp Envelopes with Gummed Seal, Bulk 100 Pack, For Mailing Larger Papers or Magazine
#adBlue Summit Supplies #ad - Easily send or store receipts, letters, documents, magazines and more with our durable 9” x 12” clasp envelopes made from 28lb kraft paper.With a metal clasp and gummed seal on the envelope flap, your contents will stay secure whether you’re mailing them, or keeping them safe in a file. Made from 28lb kraft paper, these envelopes resist tearing to keep your contents safe, and are easy to label with any type of writing utensil or printed label sticker.
More information #ad
9” x 12” size is perfect for letter size documents, papers, magazines, or other items that can fit inside without needing to be folded. This 100 pack of clasp envelopes is a highly affordable alternative to more expensive options.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-1097 |
More information #ad