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

Legal size large capacity plastic expandable file folder: size 14. 4'' x 104'', 800 pages large capacity, larger Than Normal A4 Paper / Letter Size Plastic Envelope Portfolio.
Durable snap button & label card slot: High quality fancy clear document folder with snap button. Exquisite sewing craft, superb workmanship make the reinforced cloth sewn edge for extra durability. Plastic envelopes have a pocket for labels to distinguish documents easily. Expandable Holds up to 2. 8''/7cm, with canvas cloth gusset. Fanwu extendable folders file wallets could help you easy to carry large books and documents.

Double seal design : offers reliable security for personal & professional mailing; sturdy metal dual prong clasps & gummed seals w/ tough adhesive glue.

Includes: 1 black plastic binder folder with 24 bound non-refillable top-loading plastic binder sleeves, Displays 48 viewable pages of 8.
Bound presentation book lies flat when open. Non-cling, archival quality plastic binder sleeves: Lightweight polypropylene is non-glare, no ink lift-off. Folder with clear sheet protectors: flexible high quality polypropylene cover is water, spill and dirt resistant, and portable, Provides long term storage protection for your documents or artwork.

If this shade of white isn’t right for you, we offer these envelopes in a variety of other color options as well. Tax return booklet envelopes: our pre-printed 6” x 9” booklet envelopes are white envelopes designed for mailing tax return documents.
It couldn’t be easier! Add to your shipping supplies: these 6” x 9” envelopes are the perfect size for shipping a variety of materials and small items. The professional look will reflect on you, or even personal use, making you or your small business appear more official. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, mailings, these envelopes are thick and durable, personal mail, making them perfect for things like letters, or invitations. To seal, apply pressure, use the moistening method of your choice.

Double seal design – offers reliable security for personal & Professional Mailing; Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.

1. Amazon Basics
#ad
Letter Size, Black & Gray, 2-Pack, Amazon Basics Expanding Organizer File Folder
#adAmazon Basics #ad - Acid free, pVC free and archival quality. 13 pockets for easy subdivision; each pocket expands to 7/8-inch. Flap and cord closure for added security.More information #ad
Protect your documents with durable, waterproof and tear-resistant poly files. Recommend hold up to 260 sheets of letter size paper. Measures 9. 5 x 13 x 1. 6 inches WxLxD.Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Height | 1.62 Inches |
Length | 13 Inches |
Weight | 0.74 Pounds |
Width | 9.5 Inches |
Part Number | PBH-2558 |
Model | PBH-2556 |
More information #ad
2. Better Office Products
#ad
Blue, by Better Office Products, Letter Size Paper Folders, Blue, 50 Pieces, Two Pocket Portfolio Folders, 50-Pack
#adBetter Office Products #ad - Easily holds 100 sheets 50/pocket of letter size 8. 5" x 11" paper/documents. 50-pack: blue matte finish paper folders with 4" pockets. Versatile: great for school, home or office use. But can even handle more.More information #ad
Sturdy: comes in a durable white box with color-coded label for easy identification; Bulk pack. Business use: two interior flat pockets each with die-cut business card slots. Multi-use: unpunched perforated holes in front and back covers allow for storage in a 3-ring binder.Brand | Better Office Products #ad |
Manufacturer | Dem Holdings, Inc. #ad |
Height | 3.38 Inches |
Length | 9.75 Inches |
Width | 11.88 Inches |
Part Number | 80122 |
More information #ad
3. Aimoh
#ad
28lb, Security Tinted, Ultra Strong Quick-Seal, 9x12 inch 38100, 100 9 x 12 SELF Seal Security White Catalog Envelopes
#adAimoh #ad - For 8. 5x11 documents; large 9x12 size and strong quick-seal closure security tinted envelopes, thicker, perfect for photos, catalogs, larger documents and other business mailings.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.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.
More information #ad
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.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
4. FANWU
#ad
FANWU Plastic File Folder Poly Envelope Expanding File Wallet Document Folder with Snap Button Closure, Legal Size, 5 Pack Large Waterproof Accordion File Pouch Transparent&Black
#adFANWU #ad - Perfect for us letter, large size notebook, office documents files, traveling A4 files, school subjects, business cards and even though 14” laptop or iPad could be put inside to carry with you. Premium quality: durable material and exquisite sewing craft offer longer using life and more load-bearing weight capacity.Legal size large capacity plastic expandable file folder: size 14. 4'' x 104'', 800 pages large capacity, larger Than Normal A4 Paper / Letter Size Plastic Envelope Portfolio.
More information #ad
You could easy to check the contents inside the plastic file folders. Visible in translucent: more vivid and Bright color folder bags, but it still visible in translucent. Durable snap button & label card slot: High quality fancy clear document folder with snap button. Exquisite sewing craft, superb workmanship make the reinforced cloth sewn edge for extra durability. Plastic envelopes have a pocket for labels to distinguish documents easily. Expandable Holds up to 2. 8''/7cm, with canvas cloth gusset. Fanwu extendable folders file wallets could help you easy to carry large books and documents.
Brand | FANWU #ad |
Manufacturer | Fanwu #ad |
Height | 11.42 Inches |
Length | 14.57 Inches |
Width | 2.76 Inches |
Part Number | FWPEO5P |
More information #ad
5. EnDoc
#ad
With Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Legal or School., Business, Office, Clasp Envelopes – 10x13 Inch Brown Kraft Catalog Envelopes, 30 Pack
#adEnDoc #ad - Safe for storage : ideal 10 x 13 size is perfect for both mailing & storing important paperwork, craft projects, stamps, dies & more; buy in bulk & save big. Heavy duty envelopes 10 x 13 : these professional-looking multipurpose envelopes feature a dual-purpose seal that allows multiple uses.Double seal design : offers reliable security for personal & professional mailing; sturdy metal dual prong clasps & gummed seals w/ tough adhesive glue.
More information #ad
Made in usa, heavy duty paper : extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the united states provides confidential protection & exceptional rip, tear & puncture resistance - thank you for supporting american manufacturing!. Catalog orientation : classic open-end style enables fast, pamphlet, coupon, convenient stuffing for legal letter, magazine & other common mailers.Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Part Number | Clasp Brown |
More information #ad
6. Dunwell
#ad
Portfolio Folder, Dunwell Binder with Plastic Sleeves Black, Displays 48 Pages of 8.5x11 Paper, Sheet Protector Binder, 24-Pocket Bound Presentation Book with Clear Sleeves
#adDunwell #ad - Customizable portfolio presentation book: Reversible spine insert and front cover insert lets you label and identify your projects, scrapbook, sheet music, contracts, certificates, menu, etc. Preserves your valued papers, no-copy transfer, acid-free, photography, art collection.Includes: 1 black plastic binder folder with 24 bound non-refillable top-loading plastic binder sleeves, Displays 48 viewable pages of 8.
More information #ad
5x11" letter Size or smaller. Size and features: folder measures 9. 75w x 11. 5l x 05"h. Each pocket is 8. 8x11. 1", fits 10 sheets. Front cover has inside pocket for loose paper. Bound presentation book lies flat when open. Non-cling, archival quality plastic binder sleeves: Lightweight polypropylene is non-glare, no ink lift-off. Folder with clear sheet protectors: flexible high quality polypropylene cover is water, spill and dirt resistant, and portable, Provides long term storage protection for your documents or artwork.
Brand | Dunwell #ad |
Manufacturer | Dunwell #ad |
Part Number | DISPLTR24 |
Model | DISPLTR24 |
More information #ad
7. Envelopes.com
#ad
Pamphlet, 50 Pack White, Magazine, Catalog, 6 x 9 Tax Return Booklet Envelopes in 24 lb. Bright White for Mailing a Business Letter, Financial Document
#adEnvelopes.com #ad - Whether you use these mailing supplies for your business, professional, we have a variety of styles and colors that are adaptable to any use. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside. Simply moisten the strip of adhesive, and you’ll have the perfect seal.If this shade of white isn’t right for you, we offer these envelopes in a variety of other color options as well. Tax return booklet envelopes: our pre-printed 6” x 9” booklet envelopes are white envelopes designed for mailing tax return documents.
More information #ad
No matter what you decide to use these envelopes for, whatever is inside is sure to arrive in perfect condition. Each tax envelope is constructed from durable white paper stock for an official look. Classic color: if you want a high-quality envelope, this is the item for you. It couldn’t be easier! Add to your shipping supplies: these 6” x 9” envelopes are the perfect size for shipping a variety of materials and small items. The professional look will reflect on you, or even personal use, making you or your small business appear more official. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, mailings, these envelopes are thick and durable, personal mail, making them perfect for things like letters, or invitations. To seal, apply pressure, use the moistening method of your choice.
Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Height | 9 Inches |
Length | 0 Inches |
Width | 6 Inches |
Part Number | 11874-TAX-50 |
More information #ad
8. EnDoc
#ad
Brown Kraft, Business, Office, Legal or School 15 Pack 10x13, Clasp Envelopes, 10x13 Inch Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home
#adEnDoc #ad - Safe for storage – ideal 10 x 13 size is perfect for both mailing & storing Important Paperwork, Stamps, Craft Projects, Dies & More; Buy in Bulk & Save Big. Catalog orientation – classic open-end style enables fast, coupon, Pamphlet, Convenient Stuffing for Legal Letter, Magazine & Other Common Mailers.Double seal design – offers reliable security for personal & Professional Mailing; Sturdy Metal Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.
More information #ad
Made in usa, durable 28lb standard brown kraft envelopes proudly made right here in the united States Provides Confidential Protection & Exceptional Rip, HEAVY DUTY PAPER – Extra Strong, Tear & Puncture Resistance - Thank you for supporting American manufacturing!.10x13 clasp envelope set – pack of 15 single reusable envelopes serves a Variety of Small & Large Documents for Home, Business, Office, Legal & School.Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Part Number | clasp15 |
More information #ad
9. The Gallery Collection
#ad
9 x 12 Tax Return Presentation Folders Gold Foil with Customizable Labels for Tax Professionals, 50 Pack Green, The Gallery Collection
#adThe Gallery Collection #ad - Professional design: Elegant yet durable tax folders featuring gold hot foil stamping. Customizable label folders: A pack of ink jet/laser compatible labels are included to personalize client tax returns.More information #ad
Origin: made in the USA. Size: 9" x 12" presentation folders featuring two 4" inside pockets with business card slits in right pocket. High quality: thick and luxurious 97lb 14pt matte card stock.Brand | The Gallery Collection #ad |
Manufacturer | The Gallery Collection #ad |
Part Number | PC60T12 |
More information #ad