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If this shade of white isn’t right for you, this is the item for you. To seal, apply pressure, use the moistening method of your choice. They are printable on both digital and offset commercial printers. Our 9” x 12” envelopes are adaptable to a variety of professional situations.
It couldn’t be easier! Simply moisten the strip of adhesive, and you’ll have the perfect seal. The rectangular flap is on the long side for easier filling. Booklet envelope: these large envelopes are the professional way to ship flat but bulky materials, including pamphlets, booklets, catalogs, brochures, magazines, folders, sales literature, annual reports, and more. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, professional mailings, these envelopes are thick and durable, making them perfect for things like letters, or catalogs.

28 lbs paper stock - made of heavy-duty 28 lb paper stock that are thicker than general printer paper, offices, booklet mailing envelopes are durable for professional or personal mailings of business letters, pamphlets, financial documents, used for schools, courier companies and more.
Satisfying shopping - we hakzeon store promises to provide you with a 100% refund guarantee in 30 days, so that you enjoy a satisfactory shopping experience. Custom use - with a sleek and blank surface, 200 large booklet envelopes of 9 x 12 inches are printable and writable and will not easily jam or smudge, which are compatible with most printer models such as home laser or inkjet printer, digital and offset commercial printers.

No. They hold on to ink effectively and reduce the risk of smearing. Printer compatible : these envelopes are compatible with most standard inkjet and laser printers used in homes and offices.
9 x 12 booklet envelope pack : 9” x 12” size open side business envelopes are perfect for mailing a variety of big documents including booklets, invoices & cards great envelopes for mailing tax returns ideal size for brochures, legal docs, catalogs, forms, wedding invitations & direct mailers. This makes them economical and durable.

No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.
No matter what you decide to use these envelopes for, personal mail, making them perfect for things like letters, whatever is inside is sure to arrive in perfect condition. They are printable on both digital and offset commercial printers. If this shade of black isn’t right for you, we offer these envelopes in a variety of other color options as well. Made from 80 lb. Open-end envelope: these open-end 9” x 12” catalog envelopes have a convenient vertical design.

It couldn’t be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside.
Use them to send business letters, large photos, folders, confidential documents, and so much more. Made from 80 lb. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, or catalogs. If this shade of green isn’t right for you, we offer these envelopes in a variety of other color options as well. Classic color: if you want a high-quality envelope, this is the item for you. They are printable on both digital and offset commercial printers.

If this shade of red isn’t right for you, we offer these envelopes in a variety of other color options as well. They are printable on both digital and offset commercial printers. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, making them perfect for things like letters, or catalogs.
It couldn’t be easier! this type of adhesive is great for business applications, wedding announcements, press, and personal notes. No matter what you decide to use these envelopes for, professional mailings, these envelopes are thick and durable, personal mail, whatever is inside is sure to arrive in perfect condition. Use them to send business letters, and so much more. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside.

1. Quality Park
#ad
9 x 12, White, Gummed, Quality Park Open-Side Booklet Envelope, 250 per Box, 37682
#adQuality Park #ad - Gummed: fully gummed flaps provide a secure seal to keep contents secured. Multi:purpose: these 9 x 12 envelopes are perfect for holding documents flat for when folding is undesired.More information #ad
Versatile: great for mailing, storage, and organizing in both home and office environments. Ease: envelope opens on the long side for easy insertion and retrieval of contents. Great value: conveniently packed in 250 count to reduce the frequency of repurchasing.Brand | Quality Park #ad |
Manufacturer | 0 #ad |
Height | 9.19 Inches |
Length | 7.5 Inches |
Weight | 0.06 Pounds |
Width | 12.44 Inches |
Part Number | QUA37682 |
Model | QUA37682 |
More information #ad
2. Quality Park
#ad
Quality Park Clasp Envelopes QUA38090, Kraft, 9-x-12-inch
#adQuality Park #ad - Ideal for filing applications. Brown kraft with reinforced clasp closure. Size: 9" x 12". 100 / box. Durable, 28 lb.More information #ad
Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 3.9 Inches |
Length | 12.3 Inches |
Weight | 4.35 Pounds |
Width | 11.2 Inches |
Part Number | QUA38090 |
Model | QUA38090 |
More information #ad
3. Quality Park
#ad
9" x 12", Box of 250, Quality Park® Open-Side Booklet Envelopes, White
#adQuality Park #ad - Quality construction features wide gumming and deep flaps for secure seal. Booklet envelopes open side-style on the long side for easy insertion. Envelopes also offer a super white brightness and are made of 28 lb stock.More information #ad
Brand | Quality Park #ad |
Manufacturer | QUALITY PARK PRODUCTS #ad |
Height | 12 Inches |
Length | 0 Inches |
Weight | 10.86 Pounds |
Width | 9 Inches |
Part Number | 37682 |
Model | QUA37682 |
More information #ad
4. Envelopes.com
#ad
Financial Document, 9 x 12 Booklet Envelopes in 28 lb. Bright White for Mailing a Business Letter, Pamphlet, Magazine, 50 Pack White, Catalog
#adEnvelopes.com #ad - Printable & customizable: if you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer friendly, so you can use your home laser or inkjet printer to address them. Moistenable glue seal: these envelopes are designed with a traditional moistenable adhesive sealing method, making them an excellent option for quick and easy projects.If this shade of white isn’t right for you, this is the item for you. To seal, apply pressure, use the moistening method of your choice. They are printable on both digital and offset commercial printers. Our 9” x 12” envelopes are adaptable to a variety of professional situations.
More information #ad
No matter what you decide to use these envelopes for, personal mail, whatever is inside is sure to arrive in perfect condition. Classic color: if you want a high-quality envelope, these envelopes are thicker and more durable than printer paper and will protect whatever is inside. It couldn’t be easier! Simply moisten the strip of adhesive, and you’ll have the perfect seal. The rectangular flap is on the long side for easier filling. Booklet envelope: these large envelopes are the professional way to ship flat but bulky materials, including pamphlets, booklets, catalogs, brochures, magazines, folders, sales literature, annual reports, and more. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, professional mailings, these envelopes are thick and durable, making them perfect for things like letters, or catalogs.
Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Height | 12 Inches |
Length | 0 Inches |
Weight | 1.1 Pounds |
Width | 9 Inches |
Part Number | 12328-50 |
Model | 51495 |
More information #ad
5. HAKZEON
#ad
HAKZEON 200 Pack 9 x 12 Inches 28# Booklet Envelopes, Documents, Invitations, Magazines, Open Side Envelopes, Bright White Large Business Envelopes for shipping and Mailing Brochures, Long Side Open
#adHAKZEON #ad - Practical and versatile - the 9x12 booklet envelopes white provide perfect solution for transporting flat but bulky materials to make your brochures, manuals, magazines, greeting cards, business letters, annual reports, legal / financial documents, catalogs, invitations, etc. If you have any product questions with our booklet envelopes 9x12, please feel free to contact us, and we will be dedicated to your service.28 lbs paper stock - made of heavy-duty 28 lb paper stock that are thicker than general printer paper, offices, booklet mailing envelopes are durable for professional or personal mailings of business letters, pamphlets, financial documents, used for schools, courier companies and more.
More information #ad
Widely used - open side booklet envelopes feature bright white and long flip style for fast stuffing and easy access while can resist tearing and bending, birthday, housewarming, wedding, trade fair, ideal for opening ceremony, anniversary celebration. Satisfying shopping - we hakzeon store promises to provide you with a 100% refund guarantee in 30 days, so that you enjoy a satisfactory shopping experience. Custom use - with a sleek and blank surface, 200 large booklet envelopes of 9 x 12 inches are printable and writable and will not easily jam or smudge, which are compatible with most printer models such as home laser or inkjet printer, digital and offset commercial printers.
Brand | HAKZEON #ad |
Manufacturer | HAKZEON #ad |
Part Number | HAKZEON |
More information #ad
6. EnDoc
#ad
9x12 Envelope Yellow Starburst Color- Blank Open Side Envelopes-15 Pack 24Lb Paper
#adEnDoc #ad - Attractive and attention-grabbing, these multicolor envelopes are a popular choice for sending marketing mailers. Strong gummed glue seal : they come with moisture sensitive Strong Gummed Glue Seal and U-shaped flaps.No. They hold on to ink effectively and reduce the risk of smearing. Printer compatible : these envelopes are compatible with most standard inkjet and laser printers used in homes and offices.
More information #ad
Bright color : these brightly colored envelopes never fail to impress. Durable 24lb paper : these colored business envelopes are crafted from durable 24lb High quality Starburst paper. These envelopes have a completely blank design which makes them Ideal for printing. 9 x 12 booklet envelope pack : 9” x 12” size open side business envelopes are perfect for mailing a variety of big documents including booklets, invoices & cards great envelopes for mailing tax returns ideal size for brochures, legal docs, catalogs, forms, wedding invitations & direct mailers. This makes them economical and durable.
Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Part Number | 9x12color15 |
More information #ad
7. Envelopes.com
#ad
Magazine, Financial Document, 50 Pack Black, 9 x 12 Open-End Envelopes in 80 lb. Black Linen for Mailing a Business Letter, Catalog, Pamphlet
#adEnvelopes.com #ad - Classic color: if you want a high-quality envelope, this is the item for you. The rectangular flap is on the short side, helping to keep things organized and from falling out after opening. Peel & press seal: the self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, wedding announcements, and seal.No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models.
More information #ad
It couldn’t be easier! This type of adhesive is great for business applications, press, and personal notes. Printable & customizable: if you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer friendly, so you can use your home laser or inkjet printer to address them. No matter what you decide to use these envelopes for, personal mail, making them perfect for things like letters, whatever is inside is sure to arrive in perfect condition. They are printable on both digital and offset commercial printers. If this shade of black isn’t right for you, we offer these envelopes in a variety of other color options as well. Made from 80 lb. Open-end envelope: these open-end 9” x 12” catalog envelopes have a convenient vertical design.
Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Part Number | 4894-BLI-50 |
More information #ad
8. Envelopes.com
#ad
Financial Document, 50 Pack Green, Magazine, Catalog, 9 x 12 Open-End Envelopes in 80 lb. Seafoam for Mailing a Business Letter, Pamphlet
#adEnvelopes.com #ad - No matter what you decide to use these envelopes for, professional mailings, personal mail, these envelopes are thick and durable, making them perfect for things like letters, whatever is inside is sure to arrive in perfect condition. Open-end envelope: these open-end 9” x 12” catalog envelopes have a convenient vertical design.It couldn’t be easier! This type of adhesive is great for business applications, wedding announcements, and personal notes. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside.
More information #ad
Peel & press seal: the self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, press, and seal. Use them to send business letters, large photos, folders, confidential documents, and so much more. Made from 80 lb. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, or catalogs. If this shade of green isn’t right for you, we offer these envelopes in a variety of other color options as well. Classic color: if you want a high-quality envelope, this is the item for you. They are printable on both digital and offset commercial printers.
Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Height | 12 Inches |
Length | 0 Inches |
Weight | 1.7 Pounds |
Width | 9 Inches |
Part Number | LUX-4894-113-50 |
More information #ad
9. Envelopes.com
#ad
Pamphlet, 9 x 12 Open-End Envelopes in 80 lb. Ruby Red for Mailing a Business Letter, Catalog, Magazine, 50 Pack Red, Financial Document
#adEnvelopes.com #ad - Open-end envelope: these open-end 9” x 12” catalog envelopes have a convenient vertical design. Peel & press seal: the self-seal design of these envelopes is perfect for anyone who doesn’t want to lick or use a moistener on every single envelope — it’s a huge time-saver! Simply peel off the protective strip, and seal.If this shade of red isn’t right for you, we offer these envelopes in a variety of other color options as well. They are printable on both digital and offset commercial printers. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, making them perfect for things like letters, or catalogs.
More information #ad
Printable & customizable: if you want to customize or label your envelopes with zero hassle, you’re in luck! These envelopes are printer friendly, so you can use your home laser or inkjet printer to address them. No need to worry about smudging or jamming because these envelopes are made for compatibility with most printer models. It couldn’t be easier! this type of adhesive is great for business applications, wedding announcements, press, and personal notes. No matter what you decide to use these envelopes for, professional mailings, these envelopes are thick and durable, personal mail, whatever is inside is sure to arrive in perfect condition. Use them to send business letters, and so much more. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside.
Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Weight | 1.46 Pounds |
Part Number | EX4894-18-50 |
More information #ad
10. JAM Paper
#ad
Letter Open End, 12/Pack, 9 3/4 x 11 3/4, Black, JAM PAPER Plastic Envelopes with Button & String Tie Closure
#adJAM Paper #ad - These translucent expansion envelopes are the perfect size to use them as a portfolio/folder or for organizing work documents, memos, personal files, receipts and the like!.More information #ad
Quantity: 12 per pack. Our smooth, water, translucent plastic envelopes are scratch, and tear resistant. Size: 9. 75 x 1. 25 x 11. 75 inches. Color: Black.Brand | JAM Paper #ad |
Manufacturer | JAM Paper & Envelope #ad |
Height | 11.75 Inches |
Length | 9.75 Inches |
Weight | 0.9 Pounds |
Width | 1 Inches |
Part Number | 118B1bl |
Model | 118B1bl |
More information #ad