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Shop Business Envelopes
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Quill Brand® Clasp Catalog Envelope, 6" x 9", Kraft, 100/Box (7CL6928)
Item #: 901-7CL6928
Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
28-lb. heavyweight Kraft paper
Size: 6" x 9"
$24.59
1-3 box
Save 3%
$23.79
4+ box
Staples® Gummed Flap Side-Opening Booklet Envelopes; 6" x 9", White Wove, 250/Box (472852/19306)
Item #: 901-472852
Booklet envelope keeps your documents flat in the mail
Envelope size: 6"H x 9"W
The gummed flap closure keeps your documents secured inside the envelope
$43.99
1 box
Save 2%
$42.99
2+ box
Quill Brand® Gummed Catalog Envelope, 6" x 9", Kraft, 500/Box (OE6928)
Item #: 901-OE6928
Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
28-lb. heavyweight brown kraft paper
Size: 6" x 9"
$86.99
1-3 box
Save 4%
$82.99
4+ box
Quality Park Redi-Strip Catalog Envelopes, 6" x 9", White Wove, 100/Box (QUA44182)
Item #: 901-813434
Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
White paper shows labeling and writing clear and concise
Dimensions: 6"L x 9"H; size #1
$22.59
Per box
Quill Brand® Easy Close Catalog Envelope, 6" x 9", White, 500/Box (PS6928W)
Item #: 901-PS6928W
Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
White paper shows labeling and writing clear and concise
Size: 6" x 9"
$125.99
1-3 box
Save 4%
$119.99
4+ box
Staples® Wove Side-Opening QuickStrip Booklet Envelopes, 6" x 9", White, 250/Box
Item #: 901-570225STP
Booklet envelopes keep your documents flat in the mail
Envelope size: 6"H x 9"W
EasyClose peel-and-stick closures to speed up mail preparation time
$53.99
1-3 box
Save 3%
$51.99
4+ box
Staples QuickStrip EasyClose Kraft Self Seal #1 Catalog Envelopes, 6" x 9", Kraft, 100/Box (ST20140/20140)
Item #: 901-892100
Brown Kraft paper provides sturdy construction
6" x 9"
QuickStrip closure makes sealing envelopes easy
$22.79
1-3 box
Save 4%
$21.79
4+ box
Quality Park Kraft Redi-Strip Self Seal Catalog Envelope, 6" x 9", Kraft, 100/Box (44162)
Item #: 901-QUA44162
Size: 6" x 9"
Self-sealing open end closure
Removable strip provides a clean, quick seal immediately upon contact without the use of moisture
$33.99
1-3 box
Save 2%
$32.99
4+ box
Quality Park Clasp & Moistenable Glue Catalog Envelope, 6" x 9", Brown Kraft, 100/Box (37855)
Item #: 901-823259
Reinforced clasps plus deep gumming
28 lb. brown Kraft
6" x 9"
$37.99
1-3 box
Save 2%
$36.99
4+ box
Staples® Gummed Flap Seal Economy White Wove Catalog Envelopes; 6" x 9", 250/Box (247668/19281)
Item #: 901-247668
Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
Comes in white and made of paper
Dimensions: 6"L x 9"H; size #1
$40.99
Per box
JAM Paper Open End Catalog Envelopes with Peel & Seal Closure, 6" x 9", Brown Kraft Manila, 50/Pack (13034199I)
Item #: 901-24508775
Color: Brown Kraft Manila
Size: 6 x 9 inches
Quantity: 50 envelopes per pack | Plenty of envelopes for all of your mailing and organization needs
$14.99
Per pack
Quill Brand® Easy Close Catalog Envelope, 6" x 9", Brown Kraft, 500/Box (PS6928B)
Item #: 901-PS6928B
Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
Made from brown kraft paper that conceals contents from prying eyes
Size: 6" x 9"
$127.99
1-3 box
Save 4%
$121.99
4+ box
JAM Paper Booklet Envelope, 6" x 9", White, 1000/Carton (04238B)
Item #: 901-366303JAM
Size: 6 " x 9"
Gummed closure with straight flap
Perfect for greeting cards, invitations, weddings or any announcement
$196.99
Per carton
Staples Self Seal #1 Catalog Envelopes, 6"L x 9"H, White, 100/Box (SPL609121)
Item #: 901-609121STP
Catalog envelopes are perfect for invoices
White paper shows labeling and writing clear and concise
Dimensions: 6"L x 9"H, size #1
$32.99
1-3 box
Save 3%
$31.99
4+ box
Quality Park Tyvek Self-Adhesive Envelope, #55, 14-lb., White, 6" x 9", 100/Bx
Item #: 901-827973
Convenient Flap-Stik closure
Tyvek provides extra protection from punctures, tears and moisture
Envelopes made of DuPont Tyvek won't rip, tear or puncture
$74.99
Per box
Staples® Gummed Kraft Catalog Envelopes; 9" x 6", Brown, 500/Box (381944/17027)
Item #: 901-381944
Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
Comes in brown and made of kraft
Dimensions: 6"L x 9"H; size #1
$49.99
Per box
Staples Self-Sealing Kraft Catalog Envelopes, 6" x 9", Brown, 100/Box (381964/17061)
Item #: 901-381964
Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
Comes in brown and made of kraft
Dimensions: 6"L x 9"H; size #1
$30.99
1-3 box
Save 3%
$29.99
4+ box
JAM Paper Peel and Seal Kraft Open End Catalog Envelope, 6" x 9", Brown, 500/Pack (13034199C)
Item #: 901-24295088
This open end envelope is lightweight paper and has no clasp for minimal fuss
The flap includes a peel and seal enclosure to ensure that the envelope stays closed and contents stay safe
Keep confidential files under stylish cover or send some memorable mail
$148.99
Per pack
Quality Park ClearClasp Redi-Tac Kraft Catalog Envelopes, 6" x 9", Brown Kraft, 100/Box (QUA43468)
Item #: 901-43468Q
Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
Made from brown kraft paper that conceals contents from prying eyes
Dimensions: 6"L x 9"H; size #1
$47.99
1-4 box
Save 4%
$45.99
5+ box
Quill Brand® Self-Seal Catalog Envelope, 6" x 9", Brown Kraft, 500/Box (SS6928)
Item #: 901-SS6928
Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
28-lb. plain brown Kraft paper
Size: 6" x 9"
$62.99
Per box
Quality Park Clasp & Moistenable Glue Kraft Catalog Envelopes, 6" x 9", Kraft, 100/Box (QUA37755)
Item #: 901-37755Q
Catalog envelopes are a convenient and reliable choice for personal and business mailing purposes
Made from brown kraft paper that conceals contents from prying eyes
Dimensions: 6"L x 9"H, size #1
$29.99
1-3 box
Save 3%
$28.99
4+ box
JAM Paper Self Seal Catalog Envelope, 6" x 9", White, 100/Pack (356828777C)
Item #: 901-24365232
Quantity: 100 per pack
Envelope Size: 6" x 9"
Our premium envelopes feature a self-adhesive strip for quick and easy closure
$37.99
Per pack
JAM Paper® 6 x 9 Open End Catalog Envelopes with Peel and Seal Closure, White, 25/Pack (356828777A)
Item #: 901-24365068
Quantity: 25 per pack
Our premium envelopes feature a self-adhesive strip for quick and easy closure
This pack of envelopes is perfect for personal mail, business mailings, greeting cards, announcements, and so much more
$12.59
Per pack
Quill Brand® Clasp Catalog Envelope, 6" x 9", Manila, 100/Box (CL69)
Item #: 901-CL69
Catalog envelopes are a reliable choice for multiple kinds of personal and business mailing purposes
32-lb. extra heavyweight
Size: 6" x 9"
$20.79
Per box
Want to know more about Shop Business Envelopes
What Are Window Envelopes?
A window envelope is a type of conventional envelope that features a plastic film, or window, to allow the recipient’s name and address to be printed on the document or paper within. These envelopes are typically purchased alongside other shipping, packing & mailing supplies.
They are ideal for businesses and corporations because a typed name and address look more professional than handwriting. These window envelopes pair great with other mailing supplies, such as envelope moisteners and letter openers for keeping paperwork and documentation organized and labeled.
What Types of Envelopes with Windows Are Available?
Window envelopes, also called commercial envelopes, have triangular flaps and are sized according to number. The most prominent are numbers 7, 10, 12, and 14. Envelopes with windows can range in size from about 3.75 x 6.5 inches to 5.5 x 11 inches. Each one typically features a blank field for handwritten or printed mailing and return addresses, or for address imprints with pad-and-ink custom stamps. Further information on how to pick the right size envelope can be found on the Quill business envelope size chart.
Some have single or double windows to display pre-printed addresses on inside documents. For businesses who often mail out sensitive papers with confidential information, some business window envelopes include tinted inner weaves to conceal the contents when held against a light. Like many conventional envelopes, business envelopes for outgoing mail with windows have secure closures, including moisture-activated adhesives and peel-and-seal strips.
How Can Business Envelopes with Windows Be Used?
Whether you work at a law office or run your own medical practice, window envelopes can be used for an array of applications across different businesses and industries. They can safely transport documents and sensitive materials and elevate the appearance of any greeting or invitation. Here are just a few things you can send with window envelopes:
- Interoffice communication: Interoffice business window envelopes feature a button and string design and are sized to fit standard letter sized sheets of paper, making them ideal for transferring and tracking documents between different departments within the same company.
- Legal and medical documentation: Tear and moisture-resistant open window envelopes, like the ones created by Tyvek, are ideal for sending out medical records and legal paperwork that can’t afford to be damaged or destroyed.
- Letters and invoices: Number 10 window envelopes are the most common size available, measuring 4.125 x 9.5 inches, and are perfect for mailing out most forms of business correspondence, such as letters and invoices.