Finding the best document envelope letter size suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Best document envelope letter size

Product Features Editor's score Go to site
Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Great for Filing, Storing or Mailing Documents, 28 lb Brown Kraft, 100 per Box (37890) Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Great for Filing, Storing or Mailing Documents, 28 lb Brown Kraft, 100 per Box (37890)
Go to amazon.com
AmazonBasics Catalog Mailing Envelopes, Peel & Seal, 9x12 Inch, Brown Kraft, 250-Pack - AMZA31 AmazonBasics Catalog Mailing Envelopes, Peel & Seal, 9x12 Inch, Brown Kraft, 250-Pack - AMZA31
Go to amazon.com
100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes) 100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes)
Go to amazon.com
Mead Clasp Envelopes, Mailing Envelopes, 9 x 12 Manila Envelopes with Clasp Closure, Legal Size, Brown Kraft Paper Mailer For Filing, Shipping, Home Office, Business, School, 20 Pack (76022) Mead Clasp Envelopes, Mailing Envelopes, 9 x 12 Manila Envelopes with Clasp Closure, Legal Size, Brown Kraft Paper Mailer For Filing, Shipping, Home Office, Business, School, 20 Pack (76022)
Go to amazon.com
Quality Park 9 Quality Park 9" x 12" Self-Seal Catalog Envelopes, for Mailing, Organizing and Storage, Brown Kraft, Heavy 28-lb Paper, 100 Per Box (QUA44562)
Go to amazon.com
Quality Park Redi-Strip Envelope, Plain, 28 lbs, 6 x 9 Inches, 100 per Box, Kraft (QUA44162) Quality Park Redi-Strip Envelope, Plain, 28 lbs, 6 x 9 Inches, 100 per Box, Kraft (QUA44162)
Go to amazon.com
Pendaflex Poly Zip Envelope, Letter Size, Assorted Color Zippers, 5 per Pack (85292) Pendaflex Poly Zip Envelope, Letter Size, Assorted Color Zippers, 5 per Pack (85292)
Go to amazon.com
100 9 X 12 Self Seal Golden Brown Kraft Catalog Envelopes - Designed for Secure Mailing - Oversize Strong Peel and Seal Flap with 28 Pound Kraft Paper- 100 Envelopes 100 9 X 12 Self Seal Golden Brown Kraft Catalog Envelopes - Designed for Secure Mailing - Oversize Strong Peel and Seal Flap with 28 Pound Kraft Paper- 100 Envelopes
Go to amazon.com
Clasp Envelopes  10x13 Inch Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal  28lb Heavyweight Paper Envelopes for Home, Office, Business, Legal or School 30 Pack 10x13, Brown Kraft Clasp Envelopes 10x13 Inch Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal 28lb Heavyweight Paper Envelopes for Home, Office, Business, Legal or School 30 Pack 10x13, Brown Kraft
Go to amazon.com
9x12 Envelopes Self Seal, Open End, Catalog, Mailing and Shipping-Business Letters/Invitations - 9 x 12 Large Envelope 28LB Color Bright White 15 Pack (9 x 12) 9x12 Envelopes Self Seal, Open End, Catalog, Mailing and Shipping-Business Letters/Invitations - 9 x 12 Large Envelope 28LB Color Bright White 15 Pack (9 x 12)
Go to amazon.com
Related posts:

1. Quality Park 9 x 12 Clasp Envelopes with Deeply Gummed Flaps, Great for Filing, Storing or Mailing Documents, 28 lb Brown Kraft, 100 per Box (37890)

Feature

REUSABLE CLASP: Designed for repeated use, double prong metal clasp is durable and eyelets are reinforced . Great for home, office, school, interoffice or mailing.
BROWN KRAFT 28 LB STOCK: Perfect for everyday home and business use, Quality Park's clasp envelopes are constructed from heavyweight 28 lb. brown kraft stock designed to give contents extra protection during mailing, storage and handling.
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. 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.
PACKED IN 100 COUNT: So many uses means supply is depleted quickly! Conveniently packed in 100 count to reduce frequency of purchasing.

Description

Double prong metal clasps with reinforced eyelets ensure durability. Reusable envelopes are great for home, school, or interoffice use. These heavily gummed flaps produce a secure seal.

2. AmazonBasics Catalog Mailing Envelopes, Peel & Seal, 9x12 Inch, Brown Kraft, 250-Pack - AMZA31

Feature

250-Pack of 9 x 12 inch catalog envelopes
Durable 28-pound brown kraft material provides privacy and strength
Easy-to-seal Peel & Seal closure-no moisture needed
Ideal for mailing catalogs, booklets, brochures, and multi-page documents
Measures 9 by 12 inches each

Description

An Amazon Brand.

3. 100 9 X 12 Self Seal Security Catalog Envelopes - Designed for Secure Mailing - Securely Holds up to 60 Sheets of Paper with Strong Peel and Seal Flap (100 Envelopes)

Feature

Perfect size for standard 8.5'' x 11'' letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely
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
Securely holds hefty files during transit due to it sturdy construction and thick 28 LB White Wove Paper.
Allows for organized storage of personal and company documents due to its large size and Security Tint. Great for storing receipts, monthly financials, tax returns, magazines, reports and more.

Description

Your mail will be completely secure during transit

We understand how frustrating it can be to stuff your envelope and worry about its safety during transit. Our 9'' x 12'' Peel and Seal envelopes easily create a strong seal so your contents are guaranteed to stay inside the envelope without the need for glue sticks or tape.

  • Our Time saving Peel and Seal Flap creates a strong seal that will easily contain even hefty documents during transit
  • Durable Construction also prevents even large documents or magazines from failing out during transit
  • Thick 28 LB White wove paper construction allows for further security and durable construction to protect your contents

Easily Use for Organized and Secure Storage

Easily write on the front the envelope to identify stored contents. Wide opening, thick paper, and tough construction allows for storage of many different types of documents from receipts, photos, or small documents to large reports, company financials, magazines, promotion materials, or tax documents

100% Money Back Guarantee

We stand behind our products completely. We understand that sometimes buying physical products can be difficult if you cannot physically see what you are buying, however, if our product is not exactly what you are looking for, or does not meet your expectation then send them back anytime for a 100 % refund.

4. Mead Clasp Envelopes, Mailing Envelopes, 9 x 12 Manila Envelopes with Clasp Closure, Legal Size, Brown Kraft Paper Mailer For Filing, Shipping, Home Office, Business, School, 20 Pack (76022)

Feature

Clasp envelopes
Heavyweight
Legal size
20 per package

5. Quality Park 9" x 12" Self-Seal Catalog Envelopes, for Mailing, Organizing and Storage, Brown Kraft, Heavy 28-lb Paper, 100 Per Box (QUA44562)

Feature

PEEL IT & SEAL IT: REDI-STRIP envelopes let you fly through your mail routine in record time; just peel & press for a permanent adhesive seal without applying moisture
A TIDIER SOLUTION: We promise you won't miss licking envelopes or crumbly, drippy sponges; complete your mailings, no accessories required
SEND FLAT, NOT FOLDED: This larger than letter-sized envelope allows you to send contracts, legal documents, photographs and more without folds; heavy 28-lb paper protects your privacy
WASTE NOT, WANT NOT DESIGN: Your time-saving REDI-STRIP envelopes have a longer shelf-life thanks to the peelable strip that protects your adhesive from dust
AN EXCELLENT VALUE: Get 100 classic brown kraft 9 inch x 12 inch envelopes at a stock-up price

6. Quality Park Redi-Strip Envelope, Plain, 28 lbs, 6 x 9 Inches, 100 per Box, Kraft (QUA44162)

Feature

Removable strip provides a clean, quick seal immediately upon contact without the use of moisture
Paper strip keeps adhesive free of dust, assuring a long shelf life
Long shelf life

7. Pendaflex Poly Zip Envelope, Letter Size, Assorted Color Zippers, 5 per Pack (85292)

Feature

Durable poly is tear and water resistant
Clear body for content viewing
Assorted color zippers (Blue, Red, Green, Yellow, Purple) keep contents secure
1" expansion
Letter Size; 5 per pack

8. 100 9 X 12 Self Seal Golden Brown Kraft Catalog Envelopes - Designed for Secure Mailing - Oversize Strong Peel and Seal Flap with 28 Pound Kraft Paper- 100 Envelopes

Feature

Perfect size for standard 8.5 x 11 letter paper, wide opening saves times when stuffing up to 60 sheets of letter paper securely
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
Securely holds hefty files during transit due to it sturdy construction and thick 28 LB Kraft Paper.
Allows for organized storage of personal and company documents due to its large size. Great for storing receipts, monthly financials, tax returns, magazines, reports and more.

9. Clasp Envelopes 10x13 Inch Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal 28lb Heavyweight Paper Envelopes for Home, Office, Business, Legal or School 30 Pack 10x13, Brown Kraft

Feature

HEAVY DUTY ENVELOPES 10X13 These professional-looking Multipurpose Envelopes feature a dual-purpose seal that allows multiple uses.
Use their fully gummed flaps for mailing or their strong metal clasps for repeated use and storage purposes.
Reusable metal clasp. Moisten gummed flap for a permanent seal. is ideal for office, school and home use tax envelopes
Comes 30 in a pack.

10. 9x12 Envelopes Self Seal, Open End, Catalog, Mailing and Shipping-Business Letters/Invitations - 9 x 12 Large Envelope 28LB Color Bright White 15 Pack (9 x 12)

Feature

Made from 28-pound white woven paper, these tear-resistant catalog envelopes provide superior protection for your brochures, catalogs and marketing materials. The strong construction withstands rough handling and ensures the contents arrive to your customer safely and in excellent condition.
he self-sealing closure makes securing contents quick and easy. Peel off the protective strip and press the flap firmly to create a tight bond that seals the contents safely inside the envelope
HEAVYWEIGHT ENVELOPE SET Pack of 15 Single Envelopes Accommodates Variety of Small & Large Documents for Home, Office, Business, Legal & More
Catalog envelopes are perfect for catalogs, brochures, and leaflets
These catalog envelopes are perfect for general use or special purpose mailing. Use them for bulky items and promotional packages, marketing materials or annual reports. The EasyClose seals and 28-pound wove stock construction protects contents during transit and creates a clean, professional appearance.

Conclusion

All above are our suggestions for document envelope letter size. This might not suit you, so we prefer that you read all detail information also customer reviews to choose yours. Please also help to share your experience when using document envelope letter size with us by comment in this post. Thank you!
Alyssa Salazar