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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. Clasp envelope on paper stock features a gummed flap closure. Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office.

6” x 9” size is perfect for letter size documents, papers, or other items that can fit inside when folded in half.

Double seal design – provides dependable security for work & Personal Mailing; Features Reusable Dual Prong Clasps & Gummed Seals w/ Tough Adhesive Glue.


High quality material - reject the cheap quality paper! All our Security Catalog Envelopes are made of superior Kraft paper in 2X thicken improvement to offer a top quality, tear and puncture resistance, which features exceptional rip, made to last.
250 packs kraft envelopes - package contents 250 pcs security catalog envelopes, business, great for household, perfect size 6x9 inches, printable Kraft envelopes allow you print shipping label or other custom label via your laser or inkjet printers, office, legal and more. Self seal security catalog envelopes - no glue and water required, no need to lick the envelopes to seal.


1. Quality Park
#ad
Gummed Flap, 100/Box QUA37755, Brown Kraft, Quality Park 6" x 9" Clasp Envelopes
#adQuality Park #ad - Heavyweight brown kraft stock protects contents during mailing, storage and handling. Designed for repeated use, double prong metal clasp is durable and eyelets are reinforced. Reusable, so you can substantially reduce purchasing.More information #ad
Feature a moisture activated secure seal with deep gumming on the flap to create a permanent seal. Constructed from heavyweight 28-lb stock designed to give contents extra protection during mailing, storage and handling.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
2. Quality Park
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Clasp and Gummed Closures for Storing or Mailing, Quality Park 6 x 9 Clasp Envelopes, 28 lb Kraft Paper, 100 per Box QUA37855
#adQuality Park #ad - Double prong metal clasps with reinforced eyelets. A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail.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. Clasp envelope on paper stock features a gummed flap closure. Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office.
More information #ad
Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat. Reusable envelops. 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.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
3. Blue Summit Supplies
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Blue Summit Supplies 100 6” x 9” Clasp Envelopes with Gummed Seal, Small Clasp Mailing Envelopes Made From 28lb Kraft Paper, Bulk 100 Pack, For Smaller Items or Handling Cash
#adBlue Summit Supplies #ad - This 100 pack of clasp envelopes is a highly affordable alternative to more expensive options. 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.6” x 9” size is perfect for letter size documents, papers, or other items that can fit inside when folded in half.
More information #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, documents, cash, letters, postcards and more with our durable 6” x 9” clasp envelopes made from 28lb kraft paper. Also can be used as a cash envelope when handling money at events.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-1096 |
Model | BSS-92588-1096 |
More information #ad
4. EnDoc
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Mailing, EnDoc Clasp Envelopes -15 Pack 6x9 Inch Brown Kraft Catalog with Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Business, Office, Legal or School 6 x 9 Manila
#adEnDoc #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. 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.
More information #ad
Made in usa, heavy duty paper – extra strong, durable 28lb standard brown kraft envelopes proudly made right here in the United States Provides Confidential Protection & Exceptional Rip, Tear & Puncture Resistance - Thank you for supporting American manufacturing!. Catalog orientation – classic open end style enables fast, legal Document, Pamphlet, Convenient Stuffing for Letter, Coupon & Other Common Mailers.Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Part Number | clasp15 |
More information #ad
5. Quality Park
#ad
Clasp and Gummed Closures for Storing or Mailing, 500/Carton QUA37555, Bulk Dispenser Box, Quality Park 6 x 9 Clasp Envelopes, 28 lb Kraft Paper
#adQuality Park #ad - Heavyweight 28-lb. Deep gumming for a secure seal. Stock. Double prong metal clasp and reinforced eyelet. Reusable.More information #ad
Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 12.13 Inches |
Length | 11.8 Inches |
Weight | 6 Pounds |
Width | 8.75 Inches |
Part Number | QUA37556 |
Model | QUA37555 |
More information #ad
6. Xxcxpark
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Xxcxpark 250 PCS 6x9 inches Security Catalog Envelopes Printable Self Seal Envelopes, Documents, Photos, Anti Tear brown Kraft Envelopes for Invitation Cards, Pictures
#adXxcxpark #ad - No risk purchase - we’re professional manufacture of all kinds envelopes and paper supplies who is devoted to provide perfect solution for transporting paper or documents. The envelopes are with self seal design to offer a strong and convenient sealing experience for you, keep the inner documents safe all the time.High quality material - reject the cheap quality paper! All our Security Catalog Envelopes are made of superior Kraft paper in 2X thicken improvement to offer a top quality, tear and puncture resistance, which features exceptional rip, made to last.
More information #ad
Order now to get 30 days money back and 1 year warranty, feel free to contact us if there is any issue with the envelopes. Wide application - always stay flat and invisible, files, invitation cards, the thick Kraft envelopes offer a max protection for your privacy and keep your content totally invisible, papers, documents, great for mailing photos, pictures, credit cards.2250 packs kraft envelopes - package contents 250 pcs security catalog envelopes, business, great for household, perfect size 6x9 inches, printable Kraft envelopes allow you print shipping label or other custom label via your laser or inkjet printers, office, legal and more. Self seal security catalog envelopes - no glue and water required, no need to lick the envelopes to seal.
Brand | Xxcxpark #ad |
Manufacturer | nobrond #ad |
Height | 0 Inches |
Length | 6 Inches |
Width | 9 Inches |
Part Number | XC-8004 |
Model | XC-8004 |
More information #ad
7. ASAP Office Products
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Office, Business, 28lb Heavyweight, Heavy-Duty Brown, 6" x 9", 10 Envelopes Per Pack, 6 x 9, Clasp Envelopes, Envelopes For Home, And School, Clasp Closure & Gummed Seal
#adASAP Office Products #ad - Open-end style construction With Superior Gumming On Flap For A Secure Seal. 10 envelopes Per Pack. 28 lb. 6" x 9" clasp Envelopes. Brown kraft stock to give Contents Extra Protection During Mailing, Storage And Handling. Metal clasp with rounded Edges Is Plated For Rust-Resistance.More information #ad
Brand | ASAP Office Products #ad |
Manufacturer | ASAP Office Products #ad |
Height | 1 Inches |
Length | 4 Inches |
Width | 6 Inches |
Part Number | ASAP-CLASP- |
More information #ad
8. School Smart
#ad
85038 Kraft Envelope with Clasp, Pack of 100, 6 x 9 Inches, School Smart
#adSchool Smart #ad - A great organizational method for school, home or work setting. A must have for school administrators, lawyers and HR representatives. Country of origin: United States. Ideal for storing or sending important paper work.More information #ad
Brand | School Smart #ad |
Manufacturer | WESTERN STATES ENVELOPE AND LABEL #ad |
Part Number | 85038 |
Model | 85038 |
More information #ad