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Best clasp mailing envelopes - July 2026

Last Updated - July 24, 2026

1
Best Choice
17% Off

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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
17% Off

Amazon Basics Clasp Kraft Envelopes for Documents, Gummed Mailing Envelope, 9" x 12", 100-Pack

Amazon Basics

(17% 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
(17% 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.

Mead

Mead Envelopes, 9" x 12", Clasp Closure, Brown Kraft All-Purpose 24-lb Paper Mailing Envelopes, 20 Count (76020)

Mead

More Details
Main highlights
- Pack includes 20 envelopes, each envelope measuring 6" x 12"
- Made of heavyweight brown kraft material
- Made in the U.S.A
- Keep plenty of these envelopes on hand at home or the office to mail documents, invitations or professional correspondence
- Features a clasp closure to keep documents extra secure
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 for Documents, Gummed Mailing, 10" x 13", 100-Pack

Amazon Basics

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
4
Best Value
15% 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.

SUNEE
15% Off

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

SUNEE

(15% Off)

More Details
Main highlights
- Print-Ready Surface for Addressing: The smooth, blank surface of these clasp manila envelopes works perfectly with most inkjet and laser printers, ideal for printing return addresses or shipping labels
- Ideal for Everyday Filing & Mailing: These mailing envelopes are excellent for sending catalogs, magazines, photos, brochures, and other flat documents; a versatile solution for home and office use
- Durable 28LB Manilla Envelopes: SUNEE's envelops crafted from premium 28-pound kraft paper, these manilla envelopes are stronger than standard letter envelopes, resisting tears and wear in daily mailing envelopes use
- Clasp Mailing Envelopes: SUNEE's 9x12 Manila envelopes, have metal clasps, reinforced eyelets & gummed seals. Ensuring the security and durability of your mail in a completely sealed environment
- 20 Pack Envelopes: You will receive 20 of our envelopes letter size, perfect for small offices, home filing, and bulk mailing envelopes, helping you organize and ship with ease
(15% Off)
5
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 6 x 9 Clasp Envelopes, Clasp and Gummed Closures for Storing or Mailing, 28 lb Kraft Paper, 100 per Box (QUA37855)

Quality Park

(11% Off)

More Details
Main highlights
- Small envelopes keep documents neat; fold in half instead of bulky double folds in a No.10 envelope; ideal for 6 x 8 greeting cards or invites
- Reusable envelops.
- Quality Park 6x9 clasp envelopes are a staple of every office; a gummed flap and reusable clasp make them ideal for mailing and storage; 100 per box
- Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat
- Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office
- Heavily gummed flaps.
- Double prong metal clasps with reinforced eyelets.
- Clasp envelope on paper stock features a gummed flap closure.
- A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail
(11% Off)

Best clasp mailing envelopes - July 2026

Amazon Basics Clasp Kraft Envelopes for Documents, Gummed Mailing Envelope, 9" x 12", 100-Pack

Mead Envelopes, 9" x 12", Clasp Closure, Brown Kraft All-Purpose 24-lb Paper Mailing Envelopes, 20 Count (76020)

Amazon Basics Clasp Kraft Envelopes for Documents, Gummed Mailing, 10" x 13", 100-Pack

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

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)

SUNEE 9"x12" Envelopes, 28-lb Heavyweight Kraft Paper, 100 Count, Brown Envelopes with Metal Clasp, for Storing, Mailing & Organizing Documents, Photos

Quality Park Clasp Envelopes, 6.5 x 9.5 Inch Brown Kraft Catalog Envelopes, for Mailing Small Business Papers, Gummed Closure, Box of 100 (QUA37863)

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)

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

Mead Envelopes, 10" x 13", Clasp Closure, Brown Kraft All-Purpose 24-lb Paper Mailing Envelopes, 15 Count (76022)

Mead Envelopes, 6" x 9", Clasp Closure, Brown Kraft All-Purpose 24-lb Paper Mailing Envelopes, 25 Count (76018)

Goefun Clasp Envelopes 10x13, 20 Pack

SUNEE Envelops, 10"x13" Brown Kraft Envelopes with Clasp Closure, 28-lb Paper Mailing Envelopes, 20 Count, Great for Filing, Storing or Mailing Documents

Quality Park 10 x 13 Clasp Envelopes, Gummed, Moisture-Activated Adhesive for Permanent Secure Seal, 28 lb Paper, Brown Kraft, 100/Box (QUA37897)

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