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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. Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat.



Made from 28lb kraft paper, these envelopes resist tearing to keep your contents safe, and are easy to label with any type of writing utensil or printed label sticker.

Catalog orientation – classic open end style enables fast, Pamphlet, legal Document, Convenient Stuffing for Letter, Coupon & Other Common Mailers.

Catalog orientation – classic open end style enables fast, Pamphlet, Legal Document, convenient Stuffing For Letter, Coupon & Other Common Mailers. Letter size pricing – ideal 6” x 9” size offers maximum space within usps 1-Stamp Dimension Requirements; Buy Bulk & Save Big On Both Supplies & Shipping.


1. Quality Park
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Quality Park 6 x 9 Clasp Envelopes, 100 per Box QUA37855, Clasp and Gummed Closures for Storing or Mailing, 28 lb Kraft Paper
#adQuality Park #ad - Double prong metal clasps with reinforced eyelets. Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office.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. Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat.
More information #ad
A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail. Clasp envelope on paper stock features a gummed flap closure. Heavily gummed flaps. 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. Reusable envelops.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 3.9 Inches |
Length | 11.4 Inches |
Weight | 2.2 Pounds |
Width | 6.3 Inches |
Part Number | QUA37855 |
Model | QUA37855 |
More information #ad
2. Quality Park
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Brown Kraft, Gummed Flap, Quality Park 6" x 9" Clasp Envelopes, 100/Box QUA37755
#adQuality Park #ad - Permanent seal: in addition to the clasp closure, the deep gumming on the flap can create a permanent seal. Versatile: perfect size for small or folded documents – no need to waste large envelopes for small items.More information #ad
Brown kraft stock gives contents extra protection during mailing, storage and handling. Heavy duty: extra durable, 32 lb. 100 per box: always have a good supply on hand with this 100 count box. Designed for repeated use: Double prong metal clasp is durable and eyelets are reinforced.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 3.6 Inches |
Length | 11.4 Inches |
Weight | 0.06 Pounds |
Width | 6.4 Inches |
Part Number | QUA37755 |
Model | QUA37755 |
More information #ad
3. Amazon Basics
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AMZP12, Brown Kraft, Amazon Basics Catalog Mailing Envelopes, Peel & Seal, 6x9 Inch, 100-Pack
#adAmazon Basics #ad - Durable 28-pound brown kraft material provides privacy and strength. Easy-to-seal peel and Seal closure—no moisture needed. 100-pack of 6 x 9 inch catalog envelopes. Ideal for mailing catalogs, brochures, booklets, and multi-page documents. Measures 6 by 9 inches each.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP12 |
Model | AMZP12 |
More information #ad
4. Blue Summit Supplies
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Bulk 100 Pack, Small Clasp Mailing Envelopes Made From 28lb Kraft Paper, Blue Summit Supplies 100 6” x 9” Clasp Envelopes with Gummed Seal, For Smaller Items or Handling Cash
#adBlue Summit Supplies #ad - With a metal clasp and gummed seal on the envelope flap, your contents will stay secure whether you’re mailing them, or keeping them safe in a file. Easily send or store receipts, cash, letters, documents, postcards and more with our durable 6” x 9” clasp envelopes made from 28lb kraft paper.Made from 28lb kraft paper, these envelopes resist tearing to keep your contents safe, and are easy to label with any type of writing utensil or printed label sticker.
More information #ad
Also can be used as a cash envelope when handling money at events. This 100 pack of clasp envelopes is a highly affordable alternative to more expensive options. 6” x 9” size is perfect for letter size documents, papers, or other items that can fit inside when folded in half.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-1096 |
More information #ad
5. EnDoc
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6x9 Inch Brown Kraft Catalog Envelopes with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Legal or School 6 x 9 Manila 15 Pack, Office, Mailing, Business, Clasp Envelopes
#adEnDoc #ad - Heavyweight envelope set – pack of 15 single envelopes accommodates Variety of Small & Large Documents for Home, Business, Office, Legal & More. Double seal design – provides dependable security for work & Personal Mailing; Features Reusable Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.Catalog orientation – classic open end style enables fast, Pamphlet, legal Document, Convenient Stuffing for Letter, Coupon & Other Common Mailers.
More information #ad
Letter size pricing – ideal 6” x 9” size offers maximum space within usps 1-Stamp Dimension Requirements; Buy Bulk & Save Big on Both Supplies & Shipping. Made in usa, durable 28lb standard brown kraft envelopes proudly made right here in the united States Provides Confidential Protection & Exceptional Rip, HEAVY DUTY PAPER – Extra Strong, Tear & Puncture Resistance - Thank you for supporting American manufacturing!.Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Part Number | clasp15 |
More information #ad
6. 975 Supply
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Storing Or Mailing Documents, 28lb Heavyweight Envelopes, Clasp Envelope, Brown Kraft Catalog Clasp Envelopes With Clasp Closure & Gummed Seal, Great For Filing, 6" x 9", 25 Envelope Pack, 6" x 9"
#ad975 Supply #ad - Brown kraft 28 lb stock: perfect for everyday home & business use - 975 supply clasp Envelopes Are Constructed From Heavyweight 28 lb. Gummed flap: in addition to the clasp closure, these 975 supply 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.More information #ad
Brown kraft stock designed to Give Contents Extra Protection During Mailing, Storage & Handling. Envelope pack – pack of 25 envelopes accommodates variety Of Small & Large Documents For Home, Business, Office, Legal & More. Catalog orientation – classic open end style enables fast, Pamphlet, Legal Document, convenient Stuffing For Letter, Coupon & Other Common Mailers. Letter size pricing – ideal 6” x 9” size offers maximum space within usps 1-Stamp Dimension Requirements; Buy Bulk & Save Big On Both Supplies & Shipping.
Brand | 975 Supply #ad |
Manufacturer | 975 Supply #ad |
Height | 0.25 Inches |
Length | 6 Inches |
Width | 9 Inches |
Part Number | 6x9 - 25 |
More information #ad
7. Envelopes.com
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28lb. Bright White 50 Qty | Perfect for Mailing, Filing, or Handing Out | 28lb Paper | 1602-50, 6 x 9 Clasp Envelopes
#adEnvelopes.com #ad - Printable on off-set and digital printing presses and some home printers. Bright white - same bright look as our other Bright Whites, with a little more heft than standard 24 lb.More information #ad
For an added sense of quality, and strength. Featuring - moistenable Gum & Clasp Sealing Method. Size: 6 x 9 clasp envelopes 6 in x 9 in / 6” x 9” / 152mm x 229mm. Quantity: Pack of 50 Color: 28lb.Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Part Number | 1602-50 |
Model | 1602-50 |
More information #ad
8. Quality Park
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6 inches x 9 inches, 100 Count 43468, Quality Park Postage Saving Clear-Clasp Envelopes, Kraft
#adQuality Park #ad - Also features deep gumming on flaps for a more secure seal. Sfi? certified green solution. Innovative resealable redi-Tac? technology on the closure replaces the traditional metal clasp for better repeated use and durabaility.More information #ad
If mailing, the clear-clasp? design eliminates additional USPS handling charges that are required for metal clasp envelopes.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 6.37 Inches |
Length | 9.38 Inches |
Weight | 2.1 Pounds |
Width | 3 Inches |
Part Number | 43468 |
Model | 43468 |
More information #ad