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Best clasp envelopes - January 2026

Last Updated - January 20, 2026

1
Best Choice
11% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Quality Park
11% Off

Quality Park 12 x 15-1/2 Clasp Envelopes, Clasp and Gummed Closures, for Oversized Papers, Drawings or Posters, 32 lb Kraft Paper, 100/Box (QUA37810)

Quality Park

$28.52

$31.99
(11% Off)

More Details
Main highlights
- Quality Park 12x15 1/2 clasp envelopes are a staple of every office; a gummed flap & reusable clasp make them ideal for mailing and storage; 100/box
- Heavyweight 32 lb kraft paper envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office
- Envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat
- A great value; you never know when you’ll need these jumbo catalog envelopes for oversized storage
- A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail
$28.52
$31.99 (11% Off)
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics

Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 10 x 13 inch, 100-Pack

Amazon Basics

$21.54

More Details
Main highlights
- Moisture-activated gummed surface on flap creates a permanent seal
- Measures 10 by 13 inches each; backed by an Amazon Basics 1-year limited warranty
- Made with thick 28-pound kraft paper for reliable strength and protection
- Double-prong metal clasp closure and reinforced eyelet keep documents securely contained
- Clasp envelope (100-pack) for filing, storing, or mailing documents
$21.54
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics

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

Amazon Basics

$13.05

$13.98
(7% Off)

More Details
Main highlights
- Moisture-activated gummed surface on flap creates a permanent seal
- Measures 9 by 12 inches each; backed by an Amazon Basics 1-year limited warranty
- Made with thick 28-pound kraft paper for reliable strength and protection
- Double-prong metal clasp closure and reinforced eyelet keep documents securely contained
- Clasp envelope (100-pack) for filing, storing, or mailing documents
$13.05
$13.98 (7% Off)
4
Best Value
11% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics
11% Off

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

Amazon Basics

$12.40

$13.98
(11% Off)

More Details
Main highlights
- Moisture-activated gummed surface on flap creates a permanent seal
- Measures 9 by 12 inches each; backed by an Amazon Basics 1-year limited warranty
- Made with thick 28-pound kraft paper for reliable strength and protection
- Double-prong metal clasp closure and reinforced eyelet keep documents securely contained
- Clasp envelope (100-pack) for filing, storing, or mailing documents
$12.40
$13.98 (11% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Amazon Basics

Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 10 x 13 inch, 100-Pack

Amazon Basics

$20.46

$21.54
(5% Off)

More Details
Main highlights
- Moisture-activated gummed surface on flap creates a permanent seal
- Measures 10 by 13 inches each; backed by an Amazon Basics 1-year limited warranty
- Made with thick 28-pound kraft paper for reliable strength and protection
- Double-prong metal clasp closure and reinforced eyelet keep documents securely contained
- Clasp envelope (100-pack) for filing, storing, or mailing documents
$20.46
$21.54 (5% Off)

Best clasp envelopes - January 2026

Quality Park 12 x 15-1/2 Clasp Envelopes, Clasp and Gummed Closures, for Oversized Papers, Drawings or Posters, 32 lb Kraft Paper, 100/Box (QUA37810)

Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 10 x 13 inch, 100-Pack

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

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

Amazon Basics Clasp Kraft Envelopes, Gummed Mailing Envelope, 10 x 13 inch, 100-Pack

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Quality Park 6 x 9 Clasp Envelopes, Clasp and Gummed Closures for Storing or Mailing, 28 lb Kraft Paper, 100 per Box (QUA37855)

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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)

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)

Quality Park 10" x 13" Clasp Envelopes, Heavy 32 lb Brown Kraft, Gummed Flap, 100/Box (QUA37797)

Top Flight Clasp Envelopes, Gummed and Clasped Closure, 6 x 9 Inches, Brown Kraft, 25 Envelopes per Pack (6911114)

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Columbian 10 x 13 Clasp Envelopes, Gummed, 28 lb Brown Kraft, for Mailing Flat Letter Size Documents or Photos, Bulk Pack, 30 Per Pack (COLO405)

Columbian 10 x 13 Clasp Envelopes, Gummed, 28 lb Brown Kraft, for Mailing Flat Letter Size Documents or Photos, Bulk Pack, 30 Per Pack (COLO405)

SUNEE Envelops, 9"x12" Brown Kraft Envelopes with Clasp Closure, 28-lb Paper Mailing Envelopes, 20 Count, Great for Filing, Storing or Mailing Documents

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