Top 10 10 Window Envelopes 500 Count – Business Mailing Envelopes

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1. Amazon Basics


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

Amazon Basics #ad - Peel-and-seal closure; no moisture needed. Product dimensions: 4-1/8 x 9-1/2 inches. 10 business letter envelopes with single left address window. Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Includes 500 #10 envelopes made of 24-pound white woven paper for quality and strength.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Height3.5 Inches
Length9.5 Inches
Weight6.47 Pounds
Width4.13 Inches
Part NumberAMZA26

2. Blue Summit Supplies


Designed for QuickBooks Invoices and Business Statements, Number 10 Size 4 1/8” X 9 1/2”, Blue Summit Supplies 500#10 Single Window Security Envelopes Flip and Seal, 500 Pack

Blue Summit Supplies #ad - Create professional looking mail with the added security of a single window envelope. Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.

Our dark security tint design provides complete business mail security so your professional business mail will be completely hidden from view during transit. Smaller #9 or #8 return envelopes will fit inside to get your invoices paid quicker. Perfect for mailing invoices, checks, QuickBooks invoices, billing statements, and other business mail.

Save time with our easy to use flip and seal design; with no need for licking or moistening, our self sealing 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 by 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-92588-038

3. Columbian Envelopes


Columbian #10 Business Envelopes, 500 Per Box, 4-1/8 x 9-1/2 Inch, White CO170, Left Window

Columbian Envelopes #ad - Columbian #10 envelopes made from premium 24 lb. White wove stock; 4. 12 x 9. 5 inch; 500 envelopes per box. Envelope is ideal for all business, professional and personal correspondence; Poly-Klear left window position eliminates need to address envelope. Executive style diagonal seam v-flap construction; moisture activated gummed seal; window size is 1. 12 x 4. 5 inch, positioned 7/8" from left, 1/2" from bottom.
BrandColumbian Envelopes #ad
ManufacturerLSC Communicaitons #ad
Height9.75 Inches
Length12.16 Inches
Weight6.4 Pounds
Width4.13 Inches
Part NumberCOLO170
Warranty1 Year Limited Warranty. Warranty will replace defective product upto one year from purchase date.

4. Aimoh


For Invoices, Size 4-1/8 x 9-1/2 -White, Statements & Documents, 500 #10 Double Window SELF Seal Security Envelopes, 500 Count 30001, Security Tinted, EnveGuard, 24 LB

Aimoh #ad - Tinted security pattern; perfect for mailing invoices, our #10 Envelopes are printed with a secure tinted pattern, statements, easily obscuring numbers and data for premium, standard business & legal documents and sensitive correspondence, added security compared to other cheap envelopes.

Each envelope contains two front windows, a 1" x 3-1/2" top window positioned 1/2" from the left and 2-1/2" from the bottom and the bottom 1-1/8 X 4" window is 1/2" from the left and 3/4" from the bottom. Long lasting supply; perfect for everyday business use, our envelopes are provided as an ultra long lasting, 500 envelope supply measuring 4-1/8 x 9-1/2, ideal for mass mailing and all business needs! Click the Orange Button to order now. Double window security envelopes; tired of cheap paper envelopes that can be easily seen through? Our Double Window Security Envelopes are ultra secure and perfect for mailing invoices, statements, standard business & legal documents, with super strong SELF-SEAL strip and tinted security patterns.

Dual window design; easily read dual windows for everyday business mailings to easily display postal addresses. Quick-seal closure; our #10 envelopes are designed with an ultra strong 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 for any letter sized and larger documents without splitting.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number30001

5. Aimoh


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

Aimoh #ad - Ultra strong quick seal; manufactured with ultra strong, quick seal adhesive, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, perfect for mailing larger, thicker documents. 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.

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. Long lasting supply; ideal for everyday business use, each measuring 4-1/8 x 9-1/2 inches, perfect for invoices, each box provides 500 envelopes for a long lasting supply, statements and many more business uses! Click the Orange Button to order now.

Easy read single window; perfect for bulk mailing, easy read 4-1/2 x 1-1/8 poly-window, extra large, each envelope has a premium, positioned 7/8" from the left and 1/2" from the bottom of the envelope, perfect for displaying addresses or business information, making slow printing and hand addressing a thing of the past.
BrandAimoh #ad
ManufacturerAimoh #ad
Part NumberFBA_35210



Designed for QuickBooks Invoices & Business Statements, 500#10 Single Left Window SELF Seal Security Envelopes, Computer Printed Checks Peel and Seal Flap Number 10 Size 4-1/8 x 9-1/2 Inches, 24 LB

HERKKA #ad - Long lasting supply: each box has 500 envelopes which can meet a long lasting supply, it’s fully compatible with most ink jet and laser printers, ideal for mass mailing of everyday business tasks! Our envelopes with smooth thick paper, can print quick and easily without worry about paper jams .

10 single window security envelopes: our #10 security envelopes are designed with SELF-SEAL strip—no moisture needed and a premium security tint, perfect for secure business and legal mailing, to protect sensitive data and information, invoices, or other confidential documents. Click the Orange Button to order now. Premium security tinted pattern: #10 security envelopes are designed with a premium security printed design to provide guaranteed privacy for your legal or business mail, offer the protection contents and sensitive information, a security tint makes envelopes hard to see through that ensures upmost privacy.

Ultra strong easy seal: #10 envelopes are manufactured with ultra selF-SEAL adhesive strip to create a full, ideal for mailing larger documents without splitting, super secure seal across each envelope's width that won't easily open or tear, is guaranteed to stay sealed with no need for tape or glue sticks. Easy read single window: thin security of single window envelopes makes the contents easily to read, create a professional looking, perfect for displaying recipient addresses or business information on the single window.
BrandHERKKA #ad
ManufacturerHERKKA #ad
Part NumberNo10-1Win-Lixing

7. ValBox


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

ValBox #ad - Premium quality: these #10 double window envelope features with durable 24lbs white wove paper, peel-off strip, stronger glue and security tint design. Double windows design: the windows line up perfectly with return and sender address, ideal for legal and standard business mailings, return documents and more.

No need to worry about opening them easily by others. 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, eliminating the need for hand addressing or printing mailing labels, please refer the size chart on the second photos. If there's anything make you unhappy or unsatisfied about the products, please do contact us without any hesitation. Security invoice envelopes: forget the thin, torn easily and see-through envelopes you used in the past, try our ValBox #10 security envelopes, which fit quickbooks invoices, multiple business billing statements and return envelopes perfectly!!! The contents are also easy to slip in.

Great self seal envelopes. Notice: this #10 double window envelope is not for QuickBooks Checks!!! Protect your invoice and statement privacy. The self-seal feature makes these envelopes with windows much more convenient than regular, moisten-and-seal ones.
BrandValBox #ad
ManufacturerValBox #ad
Part NumberVB052

8. Blue Summit Supplies


Thick Gummed Seal, 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

Blue Summit Supplies #ad - 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.

Create professional looking mail with the added security of a single window envelope. 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. Perfect for mailing invoices, billing statements, QuickBooks Invoices and checks, checks, and other business mail. 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
Part NumberBSS-92588-011

9. GSM Brands


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

GSM Brands #ad - Security pattern protects your information - the woven blue security pattern prevents the contents from being seen through the 26 lb white paper envelope. Simply insert the document, peal away the protective strip, and press the envelope flap down firmly for a strong adhesive hold.

Money back guarantee - we are confident that you will have a great experience with these self seal double window envelopes. Save money, time, and energy by stocking up with the 500 count box. The double widows are built to display the sender and receiver addresses of standard configurations. If these envelopes fail to live up to your expectations, simply return them for a full refund. 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.

Box of 500 drives value - our #10 envelopes come in a box of 500, and are perfect for bulk mailings or general office supply. Easy adhesive self seal - our peel and seal envelopes do not require moisture to activate the adhesive. This will give you peace of mind to know that your documents are only viewed by the intended recipient.
BrandGSM Brands #ad
ManufacturerGSM Brands #ad
Part Number#10 Envelope

10. School Smart


Pack of 500, 4-1/8 x 9-1/2 Inches, White, School Smart #10 Envelopes

School Smart #ad - Country of origin: United States. Standard mailing envelopes for your mail needs. Compatible with printers and folding and inserting machines. A classroom, home and office essential.
BrandSchool Smart #ad
Part Number85022