Top 10 Left Window Envelopes #10 – Business Mailing Envelopes

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1. Amazon Basics

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AmazonBasics #10 Security-Tinted Envelopes with Peel & Seal, 500-Pack, Left Window, White

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Amazon Basics #ad - Interior security tint keeps content private; single window allows address to show through. Ideal for home or office; securely send checks, invoices, or other confidential documents. 24-pound white woven paper for quality and strength. Measures 4-1/8 by 9-1/2 inches each. 500-pack of #10 security envelopes with Peel & Seal closure—no moisture needed.
BrandAmazon Basics #ad
ManufacturerAmazonBasics #ad
Part NumberAMZA26
ModelAMZA26

2. Aimoh

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Super Strong Quick-Seal Self Sealing Closure, 24 LB, Security Tinted, 500#10 Single Left Window SELF Seal Security Envelopes, 500 Count 35210, Size 4-1/8 x 9-1/2 Inches

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Aimoh #ad - Security tint pattern; mailing secure documents? our #10 security Envelopes are designed with a security wave pattern on the inside to protect contents, data and numbers from being easily read, unlike other cheap envelopes. Easy read single window; perfect for bulk mailing, positioned 7/8" from the left and 1/2" from the bottom of the envelope, each envelope has a premium, extra large, easy read 4-1/2 X 1-1/8 poly-window, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past.

Ultra strong quick seal; manufactured with ultra strong, perfect for mailing larger, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, thicker documents. Long lasting supply; ideal for everyday business use, each box provides 500 envelopes for a long lasting supply, perfect for invoices, each measuring 4-1/8 x 9-1/2 inches, statements and many more business uses! Click the Orange Button to order now.1

10 single window security envelopes; forget cheap, thin envelopes that allow contents to be easily read, our #10 security envelopes are premium quality, ultra secure envelopes suitable for everyday business and legal mailing while protecting sensitive contents and information.
BrandAimoh #ad
Part NumberFBA_35210
ModelFBA_35210

3. Blue Summit Supplies

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

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Blue Summit Supplies #ad - Perfect for mailing invoices, billing statements, checks, QuickBooks Invoices and checks, and other business mail. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.

Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design. 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. Create professional looking mail with the added security of a single window envelope. No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight6.15 Pounds
Part NumberBSS-92588-011

4. Blue Summit Supplies

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500 No. 10 Self Seal Single Window Security Envelopes -Designed for QuickBooks Invoices and Business Statements, Computer Printed Checks with Strong Peel and Seal Flap, Number 10 Size 4 1/8 X 9 1/2

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Blue Summit Supplies #ad - Our security envelopes will quickly and easily create a strong seal for completely secure business mail. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker.

Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design. Just peel and seal for a strong lasting seal. Create professional looking mail with the added security of a single window envelope. Perfect for mailing invoices, QuickBooks Invoices and checks, billing statements, checks, and other business mail. Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Part NumberBSS-92588-004

5. Blue Summit Supplies

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Perfect Size for Multiple Business Statements, Quickbooks Invoices, and Return Envelopes -Number 10 Size 4 1/8 X 9 ½ Inch, 500 No. 10 Flip and Seal Double Window Security Envelopes

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Blue Summit Supplies #ad - Your return and sender address will line up perfectly. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design.

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. Perfect for mailing invoices, QuickBooks Invoices, checks, billing statements, and other business mail. No need to spend time and money stamping, adding return labels, or spending extra money on custom envelopes, just quickly slide in your business mail to create professional looking business mail.

Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight0.01 Pounds
Part NumberBSS-92588-008

6. CASHIER DEPOT YOUR ONE STOP SHOP FOR ALL CASHIER'S NEEDS

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Peel & Seal, Security-Tinted, 24lb. White Paper, 100 Cashier Depot #10 Business Envelope, 100 Envelopes Left Window

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CASHIER DEPOT YOUR ONE STOP SHOP FOR ALL CASHIER'S NEEDS #ad - Made in USA. Heavy 24lb White Paper. Peel & seal # 10 envelope 4 1/8 X 9 1/2. 100 envelopes Security Tinted. Standard 1-1/8" x 4-1/2" window positioned 7/8" from left and 1/2" from bottom.
BrandCASHIER DEPOT YOUR ONE STOP SHOP FOR ALL CASHIER'S NEEDS #ad
ManufacturerCashier Depot #ad
Part NumberBE10

7. GSM Brands

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Statements and Legal Documents 4 1/8" x 9 1/2", Self Seal Double Window Security Envelopes #10, Box of 500, for Invoices

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GSM Brands #ad - Save money, and energy by stocking up with the 500 count box. Easy adhesive self seal - our peel and seal envelopes do not require moisture to activate the adhesive. The double widows are built to display the sender and receiver addresses of standard configurations.

This will give you peace of mind to know that your documents are only viewed by the intended recipient. Simply insert the document, peal away the protective strip, and press the envelope flap down firmly for a strong adhesive hold. Security pattern protects your information - the woven blue security pattern prevents the contents from being seen through the 26 lb white paper envelope. Box of 500 drives value - our #10 envelopes come in a box of 500, time, and are perfect for bulk mailings or general office supply.

If these envelopes fail to live up to your expectations, simply return them for a full refund. Money back guarantee - we are confident that you will have a great experience with these self seal double window envelopes. Designed for business invoices, statements and legal documents - Save time and energy with our self seal double window envelopes specifically designed for use with most standard business invoice, statements and legal document layouts.
BrandGSM Brands #ad
ManufacturerGSM Brands #ad
Part Number#10 Envelope

8. Quality Park

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24 lb. White Wove, 4-1/8 x 9-1/2, Quality Park #10 Left Window Security Tinted Envelopes with a Self Seal Closure for Standard Business Mailings, 500 per Box 21418

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Quality Park #ad - Positioned to fit most invoice address layouts, this left side window envelope not only saves time but also makes sure the document is delivered straight into the customer's hands! Enhanced privacy features: protect sensitive client information with these security tinted envelopes.

500 envelopes in each box: ideal for both everyday office use and bulk mailings, each box of Quality Park #10 Left Window Security Tinted Envelopes provides a long lasting supply for your Standard Business Mailings! The reflex blue pattern lining the envelope's interior makes it impossible to see the details of the contents, even when held up to the light. Redi-seal self adhesive closure: with the redi-seal closure, envelopes do not require moisture to seal.

Display the receiver addresses through the window. Single window envelope: instead of printing both the contents and the envelopes with an address, use the window to reveal pertinent information. Mail invoices, statements and other important documents with confidence. The unique double-flap design keeps the gum from sticking before use. Simply raise the lower flap and press to seal.
BrandQuality Park #ad
Manufacturer0 #ad
Height4.1 Inches
Length14.2 Inches
Weight6.09 Pounds
Width9.8 Inches
Part Number21418
Model21418

9. Amazon Basics

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500-Pack, AmazonBasics #9 Envelopes with Peel & Seal, Double Window, Security Tinted

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Amazon Basics #ad - 500-count pack of #9 security envelopes with Peel & Seal closure—no moisture needed. Measures 3-7/8 by 8-7/8 inches each. Interior security tint keeps content private; securely send checks, invoices, or other confidential documents. Double window allows sender and recipient addresses to show through. 24-pound white wove paper for quality and strength; ideal for home or office.
BrandAmazon Basics #ad
ManufacturerAmazonBasics #ad
Height8.8 Inches
Length1 Inches
Weight5.96 Pounds
Width3.88 Inches
Part Numberamz43
ModelAMZ43

10. Amazon Basics

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500 ct, White, AmazonBasics #9 Double Window Security Tinted Envelopes

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