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1. ACSTEP

#ad

Acko #10 500Pack Double Window Envelopes Quick-Seal Closure Envelopes 4 1/8 x 9 1/2,Security Tint Pattern Designed for Home Office Secure Mailing,Letters and Invoices, White Envelopes 500 Count

#adACSTEP #ad - Best security envelopes #10 double window envelope size 4 1/8 x 9 1/2 designed for home office secure mailing, letters and Invoices, computer business checks perfectly. You can use business mailing envelopes for sending invoices and checks. It 's perfect choice for small businesses, home offices and everyday use, #10 Security Envelopes are provided in a 500-envelope pack.

Dual windows placed in an ideal location for checks. Security tinted design and strong self-seal quick-seal for the best security envelopes on the market. Quick-seal closurestrong self-seal adhesive strip to create a full, super secure seal across each envelope's width that won't easily open or tear, ideal for mailing larger documents without splitting. Standard packagethe envelopes are 500pcs per box, checks and invoices everyday, which can protect the item intact during the delivery. Premium security tinted pattern #10 envelopes are designed with a premium security printed design to protect contents and sensitive information, as well as your customer's.

Ideal for mass mailing of business documents. If you need to send statements, packaged by a solid carton box, this security envelopes window fit for you!Buy with confidence!Click the Orange Button to order now! Double window envelopeit's easily read dual windows for everyday business mailings and postal addresses. Privacy and confidentiality are critical for all business and legal transactions, so this security envelopes are meet your standards.

Brand	ACSTEP #ad
Manufacturer	Acko #ad
Part Number	Acko - 00065
Model	Brown Cheque size envelop

2. Office Deed

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Quickbooks Invoices, and Return Envelopes 4 1/8 X 9 ½’’, Office Deed 500#10 Self Seal Double Window Security Envelopes-Designed for Business Statements

#adOffice Deed #ad - Peel & seal closure: with the peel & seal closure, envelopes do not require licking to seal. 500 envelopes in each box: our #10 4 1/8" x 9 1/2'' envelopes ideal for invoices, multiple business statements, return envelopes, any document from official business letters.

They come in boxes of 500, so you can stock up for long-term use.  . The blue tint pattern makes impossible to see the details of the contents, even when held up to the light. Our products will the perfect fit for all official purpose with high standard quality. Privacy: protect confidential client information with our security tinted envelopes. Double window: #10 double window envelopes ideal for Quickbooks invoice, Business Statements, Return Documents Secure Mailing.

The liner keeps the gum dust-free before use. Simply press flaps together for a secure, strong seal.  . Mail invoices, statements and other important documents with confidence. Wove finish adds a professional touch. Quality: our security self seal envelopes made of 24-lb white wove.

Brand	Office Deed #ad
Manufacturer	Office Deed #ad
Part Number	SSESDW10
Model	SSESDW10

3. AmazonBasics

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

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

Brand	AmazonBasics #ad
Manufacturer	AmazonBasics #ad
Height	8.8 Inches
Length	1 Inches
Weight	5.96 Pounds
Width	3.88 Inches
Part Number	amz43
Model	AMZ43

4. AmazonBasics

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

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

Brand	AmazonBasics #ad
Manufacturer	AmazonBasics #ad
Part Number	AMZA26
Model	AMZA26

5. Blue Summit Supplies

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

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

You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. 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.

Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design. 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.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Part Number	BSS-92588-008

6. Quality Park

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Quality Park #10 Double-Window Self-Seal Security Envelopes, For Business Statements, Invoices, 24-lb, 500 Per Box QUA24559, 4-1/8" x 9-1/2", White

#adQuality Park #ad - Haste, not waste: redi-seal envelopes don’t require moisture, seal instantly & won't close and stick before you're ready—that means you won't find ruined samples in the box.

Formatted for business: double-windows display the sender & receiver addresses; fits invoices & statements from QuickBooks and other standard business software; laser and inkjet printer compatible. An excellent value: get 500 white wove 4-1/8 inch x 9-1/2 inch #10 envelopes per box at a stock-up price. Enhanced security: offer the protection clients deserve & protect yourself from liability; a security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text. Save with self-stick: quality park #10 double-window security envelopes have a fold-away, self-sealing flap that saves you time & money.

Brand	Quality Park #ad
Manufacturer	Quality Park #ad
Height	4.13 Inches
Length	14 Inches
Weight	6.5 Pounds
Width	9.63 Inches
Part Number	24559
Model	24559

7. GSM Brands

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

#adGSM Brands #ad - If these envelopes fail to live up to your expectations, simply return them for a full refund. Easy adhesive self seal - our peel and seal envelopes do not require moisture to activate the adhesive. Money back guarantee - we are confident that you will have a great experience with these self seal double window envelopes.

The double widows are built to display the sender and receiver addresses of standard configurations. 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. Save money, and energy by stocking up with the 500 count box. 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.

Simply insert the document, peal away the protective strip, and press the envelope flap down firmly for a strong adhesive hold. This will give you peace of mind to know that your documents are only viewed by the intended recipient. Security pattern protects your information - the woven blue security pattern prevents the contents from being seen through the 26 lb white paper envelope.

Brand	GSM Brands #ad
Manufacturer	GSM Brands #ad
Part Number	#10 Envelope

8. Blue Summit Supplies

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

#adBlue Summit Supplies #ad - Just peel and seal for a strong lasting seal. You can even stuff smaller #9 or #8 return envelopes to get your invoices paid quicker. Save time quickly stuffing multiple pieces of business mail in our wide and large #10 Security Envelope Design.

Your return and sender address will line up perfectly. Perfect for mailing invoices, checks, billing statements, quickBooks Invoices, 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. Our security envelopes will quickly and easily create a strong seal for completely secure business mail. Provides complete business mail security: your business mail will be completely hidden with our dark security tint design.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Height	4.4 Inches
Length	11.9 Inches
Weight	6.25 Pounds
Width	10.1 Inches
Part Number	BSS-92588-003
Model	74689

9. ValBox

#ad

Business Statements and Legal Documents, ValBox 500 Count #10 Double Window Envelopes 4-1/8x9-1/2" Self Seal Security Envelopes for QuickBooks Invoices

#adValBox #ad - You don't need to stand licking envelopes and using glue or the water activators, which is time consuming and messy. The detail position for the double windows, ideal for legal and standard business mailings, eliminating the need for hand addressing or printing mailing labels, please refer the size chart on the second photos.

However, if there's anything make you unhappy or unsatisfied, please do contact us without any hesitation. Premium quality: these #10 double window envelopes feature with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. Security invoice envelopes: forget the thin, which fit quickBooks invoices, torn easily and see-through envelopes you used in the past, try our valbox #10 security envelopes, multiple business billing statements and return envelopes perfectly!!! The contents are also easy to slip in.

We are confident you would love our valbox invoice envelopes in its quality and price. Protect your invoice and statement privacy and safety. Double windows design: the windows line up perfectly with return and sender address, return documents and more. A replacement or 100% refund will be immediately provided to you. Notice: this #10 double window envelope is not for QuickBooks Checks!!! Great self seal envelopes.

Brand	ValBox #ad
Manufacturer	ValBox #ad
Part Number	VB052

10. Blue Summit Supplies

#ad

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

#adBlue Summit Supplies #ad - 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.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Quickly and easily stuff our wide envelopes with several invoices or business statements. 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. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Weight	5.27 Pounds
Part Number	BSS-92588-007