10 Best filing envelopes of 2026

Save up to 41% off

1

Quality Park
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 (QUA37890)
Main highlights

Heavy Duty Kraft Envelopes
Quality Park 9x12 clasp envelopes feature double prong metal clasps, reinforced eyelets, and gummed seals, providing durability for home, office, and school use.

Ideal for Mailing Large Items
Perfect for sending large lay-flat items without folds or creases, such as contracts, catalogs, registration packets, and 8x10 photos.

Praised for Durability
Customers appreciate the strong clasps and the ability to handle frequent use without breaking, making them reliable for everyday office tasks.
Key specs
- size:9 x 12 Inches
- color:Light Brown
- shape:Rectangular
- material:Brown kraft
- closure:Gummed
9.7

Exceptional

Our Rating

9.9
worth the money

9.7
Durability

9.5
Simple to use
How do we rank?

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Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
2

Quality Park
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 (QUA37890)
Main highlights

Heavy Duty Kraft Envelopes
Quality Park 9x12 clasp envelopes feature double prong metal clasps, reinforced eyelets, and gummed seals, providing durability for home, office, and school use.

Ideal for Mailing Large Items
Perfect for sending large lay-flat items without folds or creases, such as contracts, catalogs, registration packets, and 8x10 photos.

Praised for Durability
Customers appreciate the strong clasps and the ability to handle frequent use without breaking, making them reliable for everyday office tasks.
Key specs
- size:9 x 12 Inches
- color:Light Brown
- shape:Rectangular
- material:Brown kraft
- closure:Gummed
9.5

Excellent

Our Rating

9.9
worth the money

9.7
Durability

9.5
Simple to use
3

Sooez
Sooez 10 Pack File Folders, Clear Poly Envelopes Plastic Folders, Folder for Documents Letter A4 Size with Label Pocket, Teacher School Office Supplies Organization Storage, Assorted Color

38% Off
Main highlights

Durable and Waterproof
Made from durable PP material, ensuring long-lasting use and protection.

Ideal for Organization
Perfect for organizing documents at home, office, or school.

Praised for Visibility
Transparent design that allows easy document identification.
9.4

Excellent

Our Rating
4

Sooez
Sooez 10 Pack File Folders, Clear Poly Envelopes Plastic Folders, Folder for Documents Letter A4 Size with Label Pocket, Teacher School Office Supplies Organization Storage, Assorted Color

41% Off
Main highlights

Durable and Waterproof
Made from durable PP material, ensuring long-lasting use and protection.

Ideal for Organization
Perfect for organizing documents at home, office, or school.

Praised for Visibility
Transparent design that allows easy document identification.
9.3

Excellent

Our Rating
5

Sooez

Sooez 10Pack Plastic Envelopes, Plastic File Folders, Clear Folders for Documents Trendy Colors, Super Heavyweight Document Holders, Storage Pouches, File Envelopes for School Office Supplies
9.2

Excellent

Our Rating
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6

Amazon Basics
Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 9 x 12 inch, 100-Pack
Main highlights

Secure Closure and Durability
Double-prong metal clasp and reinforced eyelet ensure documents are securely contained; made with thick 28-pound kraft paper for reliable strength and protection.

Ideal for Document Organization
Perfect for filing, storing, or mailing documents; great for organizing tax returns, insurance policies, receipts, and important correspondences.

Sturdy and Reliable
Customers praise the envelopes for their great quality and sturdiness, making them ideal for various organizational needs and secure document storage.
Key specs
- size:9 x 12
- color:Kraft
- shape:Rectangular
- material:Cardboard
- closure:Gummed
8.9

Very Good

Our Rating

9.9
worth the money

9.9
Durability

8.0
sweat control
7

Amazon Basics
Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 9 x 12 inch, 100-Pack
Main highlights

Secure Closure and Durability
Double-prong metal clasp and reinforced eyelet ensure documents are securely contained; made with thick 28-pound kraft paper for reliable strength and protection.

Ideal for Document Organization
Perfect for filing, storing, or mailing documents; great for organizing tax returns, insurance policies, receipts, and important correspondences.

Sturdy and Reliable
Customers praise the envelopes for their great quality and sturdiness, making them ideal for various organizational needs and secure document storage.
Key specs
- size:9 x 12
- color:Kraft
- shape:Rectangular
- material:Cardboard
- closure:Gummed
8.6

Very Good

Our Rating

9.9
worth the money

9.9
Durability

8.0
sweat control
8

Amazon Basics

Amazon Basics File Folders with Tabs for Filing, 1/3-Cut Tab, Assorted Positions, 8.5x11 inches, Letter Size, Manila, Pack of 100
8.5

Good

Our Rating
9

Amazon Basics

Amazon Basics File Folders with Tabs for Filing, 1/3-Cut Tab, Assorted Positions, 8.5x11 inches, Letter Size, Manila, Pack of 100
8.4

Good

Our Rating
10

Sooez
Sooez 10 Pack Plastic Envelopes File Folders, Clear Folder for Document US Letter A4 Size Poly Envelopes with Label Pockets for School Home Work Office Organizer, Clear
Main highlights

Portable and Organized Storage
The plastic pouch is ideal for organizing items, perfect for school, work, or travel.

Versatile Use Cases
Ideal for organizing documents at school, home, office, or during travel.

Durable and Waterproof Material
Customers praise the sturdy, waterproof material that prevents tearing and protects documents.
8.1

Good

Our Rating

10 Best filing envelopes of 2026

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 (QUA37890)

9.9

9.7

9.5

How do we rank?

How do we rank?

Analyzing top stores

2

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 (QUA37890)

9.9

9.7

9.5

3

Sooez 10 Pack File Folders, Clear Poly Envelopes Plastic Folders, Folder for Documents Letter A4 Size with Label Pocket, Teacher School Office Supplies Organization Storage, Assorted Color

4

Sooez 10 Pack File Folders, Clear Poly Envelopes Plastic Folders, Folder for Documents Letter A4 Size with Label Pocket, Teacher School Office Supplies Organization Storage, Assorted Color

5

Sooez 10Pack Plastic Envelopes, Plastic File Folders, Clear Folders for Documents Trendy Colors, Super Heavyweight Document Holders, Storage Pouches, File Envelopes for School Office Supplies

6

Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 9 x 12 inch, 100-Pack

9.9

9.9

8.0

7

Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 9 x 12 inch, 100-Pack

9.9

9.9

8.0

8

Amazon Basics File Folders with Tabs for Filing, 1/3-Cut Tab, Assorted Positions, 8.5x11 inches, Letter Size, Manila, Pack of 100

9

Amazon Basics File Folders with Tabs for Filing, 1/3-Cut Tab, Assorted Positions, 8.5x11 inches, Letter Size, Manila, Pack of 100

10

Sooez 10 Pack Plastic Envelopes File Folders, Clear Folder for Document US Letter A4 Size Poly Envelopes with Label Pockets for School Home Work Office Organizer, Clear

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