Top 10 Best large white envelopes in 2026

Last Updated - 6/20/2026

🏆Best Choice

Aimoh

Aimoh #10 Security Self Seal Envelopes – 100 Qty |No Window, EnveGuard, 4⅛ x 9½", White, 24 LB, 100 Count (34100)

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•✉️ 100 ENVELOPE PACK; these envelopes are manufactured with a WINDOW-LESS front panel for the perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 100-envelope pack
•✉️ SUPER SECURITY TINT PATTERN; #10 envelopes designed with a secure, security tint-pattern to protect contents and sensitive information, perfect for ultra-secure mailing
•✉️ QUICK-SEAL CLOSURE; our #10 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 for any letter sized and larger documents without splitting
•✉️ LASER AND INKJET PRINTER COMPATIBLE; premium construction measuring 4-1/8 x 9-1/2 inches, fully compatible with most inkjet and laser printers for quick and easy addressing! Click the Orange Button to order now

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$9.99

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Mead

Mead #10 Security Business Envelopes Letter Size 4-1/8" x 9-1/2" – Peel and Seal, Privacy Lined, No-Window, Press-It Seal-It Self-Adhesive for Home & Office Mailing, 45 Count (75026)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•STANDARD SIZE – Easily send everyday mail. These #10 size envelopes measure 4-1/8" x 9-1/2" and can hold folded letter-size documents.
•SECURE SEAL – Quick and simple sealing. Mead Press-It Seal-It envelopes feature a self-adhesive strip to help keep your contents safe and secure.
•SECURITY LINING – Keep your personal information personal. These envelopes have a security lining to help maintain privacy of your documents.
•USE ANYWHERE – These all-purpose 20 lb. white envelopes are great for both office and home use. Made in the U.S.A.
•VALUE PACK – Stock up on your supplies. This box contains 45 envelopes. Made with SFI (Sustainable Forest Initiative) certified sourcing.

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$3.57

$5.54

-36%

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Mead

Mead #10 Envelopes, Letter Size, 4-1/8" x 9-1/2", Security Printed Lining for Privacy, Gummed Closure, Windowless, White All-Purpose for Home & Office Mail, 40 Count (75214)

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•#10 size envelopes measure 4-1/8" x 9-1/2" for mailing standard letter size documents
•Security lining to maintain privacy of documents
•Mead all-purpose 20 lb. white envelopes are perfect for home or the office
•40 envelopes per box
•Made in the U.S.A.

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$1.34

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Amazon Basics

Amazon Basics Catalog Mailing Envelopes, Peel and Seal, 9x12 Inch, 100-Pack, White

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•#10-1/2 catalog envelopes (100-pack), each measuring 9 x 12 inches
•Easy peel-and-seal closure; no moisture needed
•Made of 28-pound white woven paper for quality and strength
•Ideal for mailing catalogs, booklets, brochures, and multi-page documents

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$13.00

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Amazon Basics

Amazon Basics Catalog Mailing Envelopes, Peel and Seal, 10x13 Inch, White, 100-Pack

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•#13-1/2 catalog envelopes (100-pack), each measuring 10 x 13 inches
•Easy peel-and-seal closure; no moisture needed
•Made of 28-pound white woven paper for quality and strength
•Ideal for mailing catalogs, booklets, brochures, and multi-page documents

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$15.83

$16.66

-5%

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Amazon Basics

Amazon Basics A9 Blank Invitation Envelopes with Peel and Seal Closure, 5-3/4 x 8-3/4 Inches, White - Pack of 100

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Invitation envelopes; ideal for mailing computer-generated wedding, birthday, or other special event invites
•Includes 100 blank A9 envelopes made of 24-pound white woven paper for reliable strength
•Holds folded 8-1/2 x 11 inch sheets of paper
•Peel and Seal for convenient closure (no moisture needed)
•Smooth printer-friendly surface works well for direct printing
•Product dimensions: 5-3/4 x 8-3/4 inches (LxW)

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$10.39

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Aimoh

Aimoh 100 9 x 12 SELF Seal Security White Catalog Envelopes - 28lb - Security Tinted, Ultra Strong Quick-Seal, 9x12 inch (38100)

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•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
•FOR 8.5X11 DOCUMENTS; large 9x12 size and strong QUICK-SEAL closure security tinted envelopes, perfect for photos, catalogs, thicker, larger documents and other business mailings
•WHITE 28LB STOCK; perfect for everyday business use, Aimoh’s 9x12 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 and use high quality, white 28lb stock for a professional finish
•100 9 X 12 Catalog Envelopes in every pack for a long lasting supply, easy bulk mailing and everyday business correspondence!

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$20.98

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Svalor

20 Pack Catalog Envelopes Self Seal, 9 x 12 Inches Catalog Mailing Envelopes, White Manila Envelopes for Mailing, Organize, Storage, Home, Office

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【20 9×12 White Envelopes】You will receive 20 mailing envelopes, sufficient quantity can meet your using and replacing needs. The size of the manila envelopes is 9×12 inches, suitable for mailing important papers, business documents, booklets, catalogs, brochures or storing magazines, books and more.
•【Self Adhesive Seal】Our self adhesive manila envelopes have a Release & Seal peel strip, just peel off the paper strip and press down for a permanent seal. No glue and water required, no need to lick the envelopes. White envelope with strong adhesive force, keep the inner documents safe all the time.
•【Thick and Sturdy】The white manila envelopes are made of 100GSM double adhesive paper, which has excellent rip, tear and puncture resistance, catalog envelopes strong, thick and opaque. Perfect for obscuring sensitive information and protecting critical documents. Ideal for for secure business mailing.
•【Printable Freely】Our blank mailing envelopes allow you to print shipping labels or other custom labels via laser or inkjet printer. You can print addresses, shipping labels, letters, and graphics on envelopes without worrying about smudging or jamming. You can also DIY catalog envelopes according to your own ideas.
•【Wide Application】Our seal security envelopes provide extra protection in mailing, storage and handling, These white catalog envelopes can be widely applied to most occasions, like school, office, class, meetings, banquet, ball and more, which are fitting for sending files, offers and more

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$6.99

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Columbian

Columbian 9 x 12 Security Envelopes, 100/Box, 9 x 12 Inches, Release & Seal Self Seal, SimplySafe Tamper Evident Pull Strip, White (COLO930)

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•Get a box of 100 Columbian 9 x 12 envelopes with SimplySafe tamper-evident pull strips and security tinted interiors for mailing sensitive oversized documents; easy peel off Release & Seal closure
•Columbian 9 x 12 envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening
•Security envelopes have a strong security tint pattern so you can't see what's inside; ideal for obscuring more sensitive information and protecting critical documents
•These self seal envelopes have a Release & Seal peel strip; peel off the paper strip and press down for a permanent seal; it's simple, clean, and sanitary with no moisture required
•Stock up on these catalog envelope 100 packs made from heavyweight 28 lb white wove paper

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$19.31

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FloraSea

25 Pack Catalog Mailing Envelopes, 9 x 12 Inches Self-Seal White Manilla Envelopes for Mailing, Organize, storage, Home, Office Business

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•9x12 Envelops: You will receive 25 pack 9 x 12 inches white self seal envelopes, sufficient quantity to meet your use and replacement needs. Perfect for mailing catalogs, letters, documents, brochures, and it's also a good choice to store documents in daily life.
•Self Adhesive Seal: The 9x12 large mailing envelopes have a Release & Seal peel strip, just pull the paper strip and press down to get an effortless mailing, no moisture required. Also, the strip has a strong, secure and long-lasting adhesion that prevents the contents from falling off during transit.
•Sturdy and Reliable: Made of superior thick white paperstock, without folds or creases. Perfect for obscuring sensitive information and protecting critical documents, refusing to leak, it is the ideal secure business mailing.
•Printable Friendly: Try to address our catalog envelops with your laser or inkjet printer. You can print addresses, shipping labels, letters and graphics on envelopes without worrying about smudging or jamming. You can also DIY catalog envelopes as you ideas.
•Widely Used: Sufficient number of mailing envelopes are convenient for bulk mailing and daily business use, which can be widely applied to most occasions, such as school, office, home etc., and provide security for your mailings, storage and transportation.

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$6.29

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