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Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office. 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.

Manufactured from heavyweight 28 lb. Simply peel off the adhesive strip and press to seal. Made in the U. S. A.


The booklet envelopes have an open-side design with a rectangular flap and dual parallel seams. Just peel off the strip to expose the adhesive on the flaps of these 6 x 9 booklet envelopes.
Perfectly sized 6x9 booklet envelopes: these booklet envelopes are ideal for mailing a wide range documents and paper materials, storing some small items, wedding invitations, Christmas cards, including letters, direct mail, catalogs and more. They can carry heavier stacks of documents, and other marketing materials. Press down on the flaps to seal the envelopes.

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. Thank you for supporting American manufacturing! Heavyweight envelope set – pack of 50 single envelopes accommodates Variety of Small & Large Documents for Home, Business, Office, Legal & More.

Heavyweight envelope set – pack of 30 single envelopes accommodates Variety of Small & Large Documents for Home, Office, Business, Legal & More.

Colored business envelopes – multipurpose envelope set is perfect for Use With Mailer, Invoice, Invitation, Money, Catalog, Greeting Cards & Other Paper Creations. Easy close gummed seal – standard moisture-activated flap closure Locks in Paperwork Without Worry; Heavy, Opaque Construction for Safe, Reliable Mailing.

Perfect size envelopes 6" x 9" business envelopes are ideal for mailing a wide variety of items, letters, direct mail, greeting cards, wedding invitations, Christmas cards, Sheets of papers folded, catalogs storing some small items, and more.
1. Quality Park
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100 per Box QUA37855, Quality Park 6 x 9 Clasp Envelopes, Clasp and Gummed Closures for Storing or Mailing, 28 lb Kraft Paper
#adQuality Park #ad - Reusable envelops. Our yellow envelopes have durable 2 prong metal clasps and reinforced eyelets to let you access your files as needed; open, close, repeat. A deeply gummed envelope flap is laid thick with moisture-activated adhesive; creates a firm seal you can trust in the mail.Heavyweight 28 lb kraft manila envelopes are opaque to protect private contents; strong enough for bulk mailing or organizing the office. 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.
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Clasp envelope on paper stock features a gummed flap closure. Double prong metal clasps with reinforced eyelets. Heavily gummed flaps. 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 | 0.06 Pounds |
Width | 6.3 Inches |
Part Number | QUA37855 |
Model | QUA37855 |
More information #ad
2. Quality Park
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Catalog Envelope, White, 6x9, 100 per box 44182, Redi-Strip, Quality Park
#adQuality Park #ad - So many uses means supply is depleted quickly! Conveniently packed in 100 count to reduce frequency of purchasing. Quality park's 6 x 9 catalog envelopes are perfect for holding folded documents or smaller items.Manufactured from heavyweight 28 lb. Simply peel off the adhesive strip and press to seal. Made in the U. S. A.
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Redi-strip provides a clean, quick seal immediately upon contact. White wove stock to give contents extra protection during mailing, storage and handling. The peel-off strip protects the adhesive from dust for a longer shelf life. They are great for mailing, storage and organizing in both home and office environments.Brand | Quality Park #ad |
Manufacturer | Quality Park #ad |
Height | 3.13 Inches |
Length | 7.75 Inches |
Weight | 1.8 Pounds |
Width | 6.94 Inches |
Part Number | QUA44182 |
Model | QUA44182 |
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. Measures 6 by 9 inches each. Ideal for mailing catalogs, booklets, brochures, and multi-page documents. Easy-to-seal peel & Seal closure—no moisture needed. 100-pack of 6 x 9 inch catalog envelopes.More information #ad
Brand | Amazon Basics #ad |
Manufacturer | Amazon Basics #ad |
Part Number | AMZP12 |
Model | AMZP12 |
More information #ad
4. EnDoc
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50 Pack, Booklets, EnDoc 6x9 Self Seal Booklet Envelopes, Heavy Duty 28lb. Paper, 6 x 9 Inches Open Side Peel & Seal White Envelopes, Can be used for Invitations, Letters and Brochures
#adEnDoc #ad - Easy seal envelopes: these 6x9 self sealing envelopes come with easy-to-use peel & seal strips, which delivers hassle-free and moisture-free closure. Strong and economical: made from 28 pound paper, newsletters, these 6x9 self sealing envelopes are much more durable than regular 24 pound business envelopes.The booklet envelopes have an open-side design with a rectangular flap and dual parallel seams. Just peel off the strip to expose the adhesive on the flaps of these 6 x 9 booklet envelopes.
More information #ad
Classic booklet-style design: precisely machine-cut to ensure a flawless finish, these 6 x 9 envelopes have a classic look and feel. Pack of 50: this pack of 6 x 9 booklet envelopes contains 50 high-quality office envelopes for a great price. Perfectly sized 6x9 booklet envelopes: these booklet envelopes are ideal for mailing a wide range documents and paper materials, storing some small items, wedding invitations, Christmas cards, including letters, direct mail, catalogs and more. They can carry heavier stacks of documents, and other marketing materials. Press down on the flaps to seal the envelopes.
Brand | EnDoc #ad |
Manufacturer | Business Envelopes #ad |
Height | 1 Inches |
Length | 9 Inches |
Weight | 0.06 Pounds |
Width | 6 Inches |
Part Number | BUS301 |
Model | BUS301 |
More information #ad
5. EnDoc
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White Booklet Gummed Seal Envelope, Business or School, Office, 24lb. Heavyweight Paper For Home, EnDoc 6x9 Open Side Envelopes, 50 Pack
#adEnDoc #ad - Super strong construction – standard white envelopes are crafted of Heavy, Durable 24lb Paper for Exceptional Rip, Tear & Puncture Resistance. Made in the usa proudly made right here in the United States.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. Thank you for supporting American manufacturing! Heavyweight envelope set – pack of 50 single envelopes accommodates Variety of Small & Large Documents for Home, Business, Office, Legal & More.
More information #ad
Catalog orientation – classic open end style enables fast, cds, convenient stuffing for letter, Legal Document, Wedding Invitations, Coupons, hand made greeting cards, folded letters, Pamphlet, Christmas Cards, crafts, Greeting Card, Other Common Mailers.Brand | EnDoc #ad |
Manufacturer | Check O Matic #ad |
Height | 1 Inches |
Length | 9 Inches |
Weight | 0.45 Pounds |
Width | 6 Inches |
Part Number | Buss324 |
Model | COM302 |
More information #ad
6. EnDoc
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Clasp Envelopes – 6x9 Inch Brown Kraft Catalog Envelopes, 30 Pack, With Clasp Closure & Gummed Seal – 28lb Heavyweight Paper Envelopes for Home, Legal or School., Office, Business
#adEnDoc #ad - 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, Convenient Stuffing for Letter, legal Document, Pamphlet, Coupon & Other Common Mailers.Heavyweight envelope set – pack of 30 single envelopes accommodates Variety of Small & Large Documents for Home, Office, Business, Legal & More.
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 | Clasp Brown |
More information #ad
7. EnDoc
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EnDoc 6X9 Open Side Colored Envelopes, 24lb. Heavyweight Paper Gummed Seal Envelope, or School., Business, Invitations, Home, 25 Pack, Office, For Greeting Cards, Assorted Colors
#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.Colored business envelopes – multipurpose envelope set is perfect for Use With Mailer, Invoice, Invitation, Money, Catalog, Greeting Cards & Other Paper Creations. Easy close gummed seal – standard moisture-activated flap closure Locks in Paperwork Without Worry; Heavy, Opaque Construction for Safe, Reliable Mailing.
More information #ad
Bright colors – pack arrives with 25 envelopes bright, Cute, Exciting Choice for Letters, Marketing Materials & Beyond. High quality 24lb paper – heavyweight cardstock ensures optimal Durability & Security for Every Application; Great for Business, Office, Personal & Professional Use.Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Part Number | 69Color |
Model | 69Color |
More information #ad
8. EnDoc
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28 lb Open Side Booklet white Envelope., Weddings, EnDoc 6x9 Envelopes Self Seal, Designed For Photography, Oversized, 250 Pack, School & Office Bulk Pack
#adEnDoc #ad - Side-open booklet envelopes for easy insertion and removal of documents. Use these attractive 6-inch by 9- inch booklet envelopes to mail party invitations, personalized photograph albums, or newsletters and marketing materials from the office.Perfect size envelopes 6" x 9" business envelopes are ideal for mailing a wide variety of items, letters, direct mail, greeting cards, wedding invitations, Christmas cards, Sheets of papers folded, catalogs storing some small items, and more.
More information #ad
Stock up on envelopes and save this envelopes self seal QuickStrip seal pack includes 250 of the finest quality office envelopes for a great price. Simple to use just peel off the business envelopes self seal backing and press down on the flap to use the 9" envelopes self seal adhesive 28Lb heavy paper.Brand | EnDoc #ad |
Manufacturer | EnDoc #ad |
Height | 6.4 Inches |
Length | 9.5 Inches |
Weight | 5.3 Pounds |
Width | 6.7 Inches |
Part Number | BUS201 |
Model | BUS201 |
More information #ad