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1. Quality Park

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3-7/8 x 8-7/8. 500 per Box 67529, 24 lb White Wove, Quality Park #9 Double Window Security Tinted Invoice and Statement Envelope with Reveal-N-Seal Self Seal Closure

#adQuality Park #ad - Mail invoices, statements and other important documents with confidence. The 1" x 4" bottom window is positioned 3/8" from the left and 1/2" from the bottom. A built-in security feature along the top of the flap shows indications of tampering. Convenient double window: display the sender and receiver addresses through the double window openings.

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. 500 envelopes in each box: ideal for both everyday office use and bulk mailings, each box of Quality Park #9 Double Window Security Tinted Invoice and Statement Envelopes provides a long lasting supply! Enhanced privacy features: protect sensitive client information with these security tinted envelopes.

Positioned to fit most invoice address layouts, this double window envelope not only saves time but also makes sure the document is delivered straight into the customer's hands! The 1-3/16" x 3-1/2" top window is positioned 3/8" from the left and 2" from the bottom. Simply pull the bottom flap up, fold the top flap down and press to seal. Reveal-n-seal self seal closure: the best overall self-sealing envelope in the industry! It's patented seal design allows for an aggressive quick seal.

Brand	Quality Park #ad
Manufacturer	Quality Park #ad
Height	9 Inches
Length	12 Inches
Weight	5.8 Pounds
Width	3.88 Inches
Part Number	67529
Model	67529

2. STAPLES

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Staples 1775860 Reveal-N-Seal Security Tinted Dbl Window #8 5/8 Envelopes White 500/Bx

#adSTAPLES #ad - These envelopes measure 3 5/8"H x 8 5/8"L in size, providing enough space for your mail. Reveal-n-seal closure with wallet flap seals securely without moistening. Security-tinted pattern helps to discourage reading sensitive information through the outside of the envelope. Sold as 500/Box. White color is ideal for business or personal correspondence. Convenient box of 500 envelopes ensures ample supply. 8-5/8 business envelopes are suitable for all your mailing needs. The flap is on the long side for easier filling.

Brand	STAPLES #ad
Manufacturer	Staples #ad
Part Number	28732-CC

3. Office Deed

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Office Deed 500#9 Double Window SELF SEAL Security Envelopes-Designed for Quickbooks Invoices and Business Statements with peel and seal flap -3 7/8'' X 8 7/8''

#adOffice Deed #ad - 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. Wove finish adds a professional touch.

Privacy: protect confidential client information with our security tinted envelopes. 500 envelopes in each box: our #9 3 7/8'' x 8 7/8'' envelopes ideal for any document from official business letters to business statement. Our products will the perfect fit for all official purpose with high standard quality. Quality: our security self seal envelopes made of 24-lb white wove.

Mail invoices, statements and other important documents with confidence. Double window: #9 double window envelopes ideal for Quickbooks Invoices, Business Statement, Documents Secure Mailing. The liner keeps the gum dust-free before use. Simply press flaps together for a secure, strong seal.  . Peel & seal closure: with the peel & seal closure, envelopes do not require licking to seal.

Brand	Office Deed #ad
Manufacturer	Office Deed #ad
Weight	4.43 Pounds
Part Number	SSEDW9
Model	SSEDW9

4. 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

#adBlue Summit Supplies #ad - Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. 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.

Quickly and easily stuff our wide envelopes with several invoices or business statements. Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design. 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.

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

5. ACSTEP

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White Envelopes 500 Count, 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

#adACSTEP #ad - Privacy and confidentiality are critical for all business and legal transactions, so this security envelopes are meet your standards. If you need to send statements, checks and invoices everyday, packaged by a solid carton box, this security envelopes window fit for you!Buy with confidence!Click the Orange Button to order now!.

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. 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. 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. Double window envelopeit's easily read dual windows for everyday business mailings and postal addresses.

Standard packagethe envelopes are 500pcs per box, which can protect the item intact during the delivery. Ideal for mass mailing of business documents. 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. 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.

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

6. Aimoh

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500 Count 30139, Statements & Documents, 500#9 Double Window SELF Seal Security Envelopes, Size 3-7/8 x 8-7/8-24 LB, for Invoices, Security Tinted

#adAimoh #ad - Double windows; professional, advertising campaigns and many more, easily read double front windows suitable for standard business and legal mailings, eliminating constantly printing and hand writing addresses, Each envelope contains two front windows, a 1-3/16" X 3-1/2" top window positioned 3/8" from the left and 2" from the bottom and the bottom 1" X 4" window is 3/8" from the left and 1/2" from the bottom.

Security tint; forget thin, numbers and other data within, easily read envelopes these premium #9 Security Envelopes are designed with security tinted wave patterns which easily obscure details, perfect for mailing business statements and invoices while protecting sensitive information. Quick seal adhesive; aimoh's #9 envelopes use ultra secure, super secure seal across each envelope’s width that won’t easily open or tear as with cheaper gummed seals, quick seal adhesive to create a full, perfect for larger and thicker documents.

Long lasting supply; ideal for everyday business use and professional mass mailings, each box of these premium #9 Security Envelopes provide a super long lasting 500 envelope supply, for the best value on the market! Click the Orange Button to order now. 9 double window quick seal security envelopes; tired of cheap thin, easily torn envelopes? Aimoh's#9 Security Envelopes are the perfect solution, extra large, with premium security tint, easily read dual front windows and super secure quick seal adhesive.

Brand	Aimoh #ad
Manufacturer	Aimoh #ad
Height	4.1 Inches
Length	11.5 Inches
Width	9.2 Inches
Part Number	FBA_30139
Model	30139

7. Quality Park

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Invoices/QuickBooks Statements, 500/Box QUA24529, 3-7/8 x 8-7/8 Inches, Quality Park #9 Security Envelopes, Self Seal, Double Window, 24 lb White

#adQuality Park #ad - These boxes of 500 white #9 double window security envelopes 3 7/8 in x 8 7/8 in protect your customers' sensitive data; a reflex blue pattern obscures the details of what's inside.

Redi-seal self seal mailing envelopes require no moisture; the unique double flap design allows you to simply raise the lower flap and press to seal. Double window envelopes show sender and receiver addresses; top window is 1 3/16" x 3 1/2"; 3/8" from the left; 2" from the bottom; bottom window is 1" x 4"; 3/8" from the left; 1/2" from the bottom. 9 mailing envelopes measure 3 7/8 in height x 8 7/8 in width and are made of 24 lb white wove paper with professional side seams; #9 envelopes fit into #10 envelopes. Stock up on boxes of 500 machinable #9 envelopes for bulk mailings.

Brand	Quality Park #ad
Manufacturer	Quality Park #ad
Height	3.63 Inches
Length	13.13 Inches
Weight	0.01 Pounds
Width	9.13 Inches
Part Number	QUA24529
Model	QUA24529

8. Office Elite

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24 LB, Peel & Seal, 3 7/8" x 8 7/8", Security Tinted, Designed for QuickBooks Invoices, and Legal Documents, 550 Per Box, Business Correspondence, #9 Double Window SELF SEAL Security Envelopes

#adOffice Elite #ad - Premium quality: our window envelopes feature a high-quality security pattern, premium 24 lb. Best value: each box comes with 550 envelopes, data, not the standard 500—50 bonus double window envelopes included with each order! Easy to use: a speed seal flap and ultra-strong adhesive make mailing easy—simply peel the strip away and press the flap down for a permanent seal that won’t rip open or tear while in transit! Maximum protection: our high-quality security pattern and heavy paper stock protect your numbers, and correspondence—mail your checks and advertisements with confidence knowing that your sensitive information will remain private.



Ideal for invoices: designed specifically for invoices and legal documents—perfect invoice envelopes for QuickBooks invoices and statements as well as other computer-generated invoices; dual windows placed in an ideal location for invoice address information. Paper, and a superior adhesive seal.

Brand	Office Elite #ad
Manufacturer	Vesta Home Supply #ad
Height	4.3 Inches
Length	11.5 Inches
Weight	6.7 Pounds
Width	10.5 Inches
Part Number	B-13A
Model	B-103A

9. Blue Summit Supplies

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And Business Statements, 3 7/8 x 8 7/8, Designed for Secure Mailing of Payroll Checks, Thick Gummed Seal, QuickBooks Invoices, Return Mail, 500 No. 9 Single Window Security Envelopes

#adBlue Summit Supplies #ad - Perfect for mailing payroll checks, confidential documents, billing statements, QuickBooks invoices, 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.

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. No need for tape or glue sticks as our strong gummed seal creates a hassle free and safe seal for all your sensitive documents. Create professional looking mail with the added security of a single window envelope. Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design.

Brand	Blue Summit Supplies #ad
Manufacturer	Blue Summit Supplies #ad
Part Number	BSS-92588-025

10. Next Day Labels

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

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

Brand	Next Day Labels #ad
Manufacturer	Next Day Labels #ad
Weight	0.01 Pounds
Part Number	6587