Top 10 Letter Envelopes with Window – Business Mailing Envelopes

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1. Amazon Basics

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White, Amazon Basics #10 Security-Tinted Self-Seal Business Envelopes with Left Window, Peel & Seal Closure, 500-Pack

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Amazon Basics #ad - Product dimensions: 4-1/8 x 9-1/2 inches. Includes 500 #10 envelopes made of 24-pound white woven paper for quality and strength. 10 business letter envelopes with single left address window. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Peel-and-seal closure; no moisture needed.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZA26
ModelAMZA26

2. Blue Summit Supplies

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Designed for Secure Mailing of Quickbooks Checks, Personal Letters, Thick Gummed Seal, Invoices, Business Statements, 500 Number 10 Single Window Envelopes, 4 1/8 x 9 1/2

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Blue Summit Supplies #ad - Create professional looking mail with the added security of a single window envelope. Perfect for mailing invoices, QuickBooks Invoices and checks, checks, billing statements, and other business mail.

Tamper proof design with our hot melt glue adhesive manufacturing process that allows the glue to penetrate the envelope, thus causing the envelope to tear if you open after sealing. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels. No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-011

3. Amazon Basics

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White, Amazon Basics #9 Double Window Security Tinted Envelopes, 500 ct

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Amazon Basics #ad - Ideal for 8. 5-by-11-inch computer-generated invoices and statements. Double windows 3/8-inch from the left to show sender info 2 inches from bottom and recipient info 1/2 inch from bottom. 9 envelopes measures 3-7/8 by 8-7/8 inches each. 500 standard-size security-tinted #9 double window envelopes.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height0.01 Inches
Length8.88 Inches
Weight0.1 Pounds
Width9.25 Inches
Part NumberAMZ92W
ModelAMZ92W

4. Blue Summit Supplies

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Computer Printed Checks, 500 Self Seal Double Window Security Envelopes, Designed for QuickBooks Checks, 3 5/8 X 8 11/16 NOT for INVOICES

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Blue Summit Supplies #ad - Provides complete check security: your checks will be hidden with our security tint design. Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper.

Perfectly fits quickbooks laser checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard two window 8 5/8 envelope. Just peel and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed. Checks amounts and memos will not be visible: Only addresses will show through our unique 2 window design with no need to change QuickBooks, QB Online, or Quicken settings.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberFBA_BSS-92588-001
ModelFBA_BSS-92588-001

5. Envelopes.com

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Statements | WS-3133-50, Letters, Letterhead, Invoices, #10 All Purpose Window Envelopes 4 1/8 x 9 1/2, White w/Security Tint 50 Qty. | Perfect for Checks

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Envelopes.com #ad - Size: #10 all purpose window envelopes 4 1/8 in x 9 ½ in / 4. 125” x 9. 5” / 104. 775mm x 241. 3mm. Applications: business mailings, bills, Direct Mail, Financial Mailings, Personal Letters, Invoices, Corporate Mailings, Personal Mail. Color: white w/ Security Tint. Printable on off-set printing presses and some home printers. Quantity: Pack of 50 Uses: checks, statements, letterhead, flyers.
BrandEnvelopes.com #ad
ManufacturerEnvelopes.com #ad
Height9.5 Inches
Length0 Inches
Width4.12 Inches
Part NumberWS-3133-50

6. JAM Paper

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4 1/8 x 9 1/2, 50/Pack, White, JAM PAPER #10 Business Commercial Window Envelopes

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JAM Paper #ad - White commercial / Business Envelopes. With a window panel and fashioned from 24lb paper, crisp, white envelopes feature a commercial flap with gum closure. Size: #10 4. 13 x 9. 5 inches. Perfect for personal mail, announcements, business mailings, greeting cards, and so much more!. Quantity: 50 Envelopes per Pack.
BrandJAM Paper #ad
Height9.5 Inches
Length4.1 Inches
Width0.1 Inches
Part Number1633173h

7. Envelopes.com

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Pamphlet, 50 Pack White, Magazine, Financial Document, Catalog, 6 x 9 Full-Face Window Envelopes in 28 lb. Bright White for Mailing a Business Letter

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Envelopes.com #ad - No matter what you decide to use these envelopes for, whatever is inside is sure to arrive in perfect condition. Made from 28 lb. The professional look will reflect on you, or even personal use, making you or your small business appear more official. Simply position the document you want showing on the top so the window can frame and display the entire contents.

Simply moisten the strip of adhesive, making them an excellent option for quick and easy projects. Whether you use these mailing supplies for your business, professional, we have a variety of styles and colors that are adaptable to any use. If this traditional shade of white isn’t right for you, we offer these envelopes in a variety of other color options as well. Durable & reliable: made from heavyweight lux paper stock with a sturdy construction, mailings, making them perfect for things like letters, personal mail, these envelopes are thick and durable, or invitations.

Moistenable glue seal: these envelopes are designed with a traditional moistenable adhesive sealing method, apply pressure, use the moistening method of your choice. Full-face window envelopes: these envelopes contain an oversized transparent window centered on the face that is ideal for mailing letters, statements, catalogs, invoices, annual reports, and sales literature. Text-weight paper stock, these envelopes are thicker and more durable than printer paper and will protect whatever is inside. It couldn’t be easier!
BrandEnvelopes.com #ad
ManufacturerEnvelopes.com #ad
Height1.2 Inches
Length8.9 Inches
Weight0.35 Pounds
Width6 Inches
Part NumberFFW-69-50

8. Blue Summit Supplies

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Designed for Quickbooks Invoices and Business Statements with Self Seal Flip Press and Seal Flap -Number 9 Size 3 7/8 Inch X 8 7/8 Inch, 500 No. 9 Flip and Seal Double Window Security Envelopes

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Blue Summit Supplies #ad - Save time with easy to use flip and seal self-seal design; With no need for licking or moistening, our self seal design allows for sending hundreds of invoices quickly and easily and is guaranteed to stay sealed with no need for tape or glue sticks.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design. Quickly and easily stuff our wide envelopes with several invoices or business statements. Perfectly fits quickbooks invoices and business statements: sender and return address will be visible on your QuickBooks invoices and monthly bills through our unique double window design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight5.27 Pounds
Part NumberBSS-92588-007
ModelBSS-92588-007

9. Next Day Labels

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Compatible for QuickBooks Checks, Box of 500, Blackbaud Software ETC, #9 Ready-Seal Double Window Security Tinted Check Envelopes, Sage 100 program

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Next Day Labels #ad - Made in the usa by Next Day Labels TM. Stop licking envelopes" Just fold the flap, get a quick, secure seal. Fold and seal - Security Tint Inside. Box of 500 #9 double window check Envelope, 3-7/8 X 8-7/8. Guaranteed to fit all your computer business checks.
BrandNext Day Labels #ad
ManufacturerNext Day Labels #ad
Weight0.01 Pounds
Part NumberNDL Check Envelopes
Model92664

10. Prime Business Checks

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For Business Laser Checks, Ultra Security Tinted, Self Adhesive Peel & Seal White, Size 3 5/8 x 8 11/16-24lb NOT for INVOICES, 500 Self Seal QuickBooks Double Window Security Check Envelopes

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Prime Business Checks #ad - Check envelopes: designed to fit quickbooks Laser Checks or any Computer Business Checks, these business envelopes fit checks perfectly, with dual windows displaying essential information without leaking out sensitive details.

Perfect secure design: measures perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving, Address will show perfect through windows, Checks amounts and memos will not be visible. Premium security: envelopes are made with thick 24 LB. Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use. Peal and seal flap: just peel and seal to create a strong lasting seal, Our self seal design is quick and easy and is guaranteed to stay sealed throughout transit. White wove paper, a super adhesive seal and a high-quality security pattern to ensure contents are kept in utmost security.
BrandPrime Business Checks #ad
ManufacturerPrime Business Checks #ad
Height12 Inches
Length8.69 Inches
Weight4.8 Pounds
Width3.62 Inches
Part NumberPB-92663-500
ModelPB-92663-500