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Maintain a professional look and feel throughout transit with our durable 24 lb white wove envelope paper. Our number 10 security envelope is perfect for mailing invoices, billing statements, and other business mail where the address is formatted on the right.

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

Save time as you quickly stuff, seal, and send. Our unique right single window design is slightly larger making it easier to get the address to show through the window. Your laser printed forms' addresses will show perfectly through the envelope window.






Provides complete check security: your checks will be hidden with our security tint design. Checks amounts and memos will not be visible: Only addresses will show through our unique double window design with no need to change QuickBooks settings.

Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.
1. Blue Summit Supplies
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Designed for Secure Mailing of Invoices, 4 1/8 x 9 1/2 Inches, and Business Statements, 500 Ct, Security Lining, Documents, 500 Self Seal Number 10 Single Right Window Envelopes
#adBlue Summit Supplies #ad - Provides complete business mail security; your professional business mail will be completely hidden with our dark security tint design. With no more headaches or bad tastes in your mouth from licking envelopes, our self sealing design is quick, easy, and guaranteed to stay sealed.Maintain a professional look and feel throughout transit with our durable 24 lb white wove envelope paper. Our number 10 security envelope is perfect for mailing invoices, billing statements, and other business mail where the address is formatted on the right.
More information #ad
Your business mail recipient address will show through the single right window, with your return address label added to the top left corner. Create professional looking mail with the added security of a single window envelope. Just fold down flap and press to create a strong lasting seal.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-032 |
More information #ad
2. Blue Summit Supplies
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Computer Printed Checks with Strong Peel and Seal Flap, 500 No. 10 Self Seal Single Window Security Envelopes -Designed for QuickBooks Invoices and Business Statements, Number 10 Size 4 1/8 X 9 1/2
#adBlue Summit Supplies #ad - Perfect for mailing invoices, billing statements, checks, QuickBooks Invoices and checks, and other 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. 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.
More information #ad
Provides complete business mail security: your professional business mail will be completely hidden with our dark security tint design. Our security envelopes will quickly and easily create a strong seal for completely secure business mail. Just peel and seal for a strong lasting seal.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-004 |
Model | BSS-92588-004 |
More information #ad
3. Blue Summit Supplies
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4 ½ X 9 ½ Inch Pack of 500, Self Seal Design, 500 CMS 1500 Form Envelopes, Perfectly Fits your HCFA Medical Billing CMS-1500 Forms
#adBlue Summit Supplies #ad - Our security envelopes will quickly and easily create a strong seal for completely secure business mail. Designed specifically for mailing the current HCFA 02/2012 CMS 1500 Forms.Save time as you quickly stuff, seal, and send. Our unique right single window design is slightly larger making it easier to get the address to show through the window. Your laser printed forms' addresses will show perfectly through the envelope window.
More information #ad
Quickly send hundreds of medical forms with our easy to use self-seal flap that doesn’t require peeling, just turn the flap and seal. Just flip the flap and seal for a strong lasting seal. Provides complete business mail security for your medical claim forms with our dark black security tint.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-024 |
More information #ad
4. Office Depot
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Office Depot Medical Claim Business Envelopes, 10 4 1/8in. x 9 1/2in., 77175, White, Box of 500
#adOffice Depot #ad - Security-tinted inside for privacy and confidentiality. Tinted for security, these #10 envelopes are specifically designed to accommodate your patients' medical claim forms. Made of 24-lb white wove, office Depot medical claim white business envelopes #10 offer a substantial feel.More information #ad
Office depot medical claim white business envelopes come in a box of 500, so you have plenty on hand. When confidentiality is a must, office Depot medical claim envelopes can help. Right window envelopes for use with HCFA 1500 Medicare Claim Forms.Brand | Office Depot #ad |
Manufacturer | Office Depot #ad |
Part Number | MPA/OD/150 |
More information #ad
5. Envelopes.com
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24lb. Bright White 50 Qty. | Perfect for Checks, Statements | 82624-50, Letterhead, Letters, Invoices, #10 Right Side Window Envelopes 4 1/8 x 9 1/2
#adEnvelopes.com #ad - 4. 125" x 9. 5" / 105mm x 241mm. Applications: business Mailings, Personal Letters, Bills, Letterhead, Personal Mail. Uses: checks, invoices, Direct Mail, statements, corporate mailings, Financial Mailings, Flyers.More information #ad
10 right side window envelopes / 4 1/8 in. Color - 24lb. Bright White. X 9 1/2 in. Quantity: Pack of 50 Printable on off-set and digital printing presses and some home printers.Brand | Envelopes.com #ad |
Manufacturer | Envelopes.com #ad |
Height | 9.5 Inches |
Length | 0 Inches |
Width | 4.12 Inches |
Part Number | 82624-50 |
Model | 82624-50 |
More information #ad
6. 1InTheOffice
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1InTheOffice #10, Right Window Security-Tint Gummed Envelopes, 500/Box
#ad1InTheOffice #ad - Commercial flap security tint envelopes provide added privacy. Gummed closures make it easy to close the envelopes quickly. White 24-lb paper. 500/box. 4 1/8" x 9 1/2".More information #ad
Brand | 1InTheOffice #ad |
Manufacturer | 1InTheOffice #ad |
Part Number | 1O045043 |
More information #ad
7. ComplyRight
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500-Count 1500LR, ComplyRight CMS-1500 9"X 121/2" Jumbo Right Window Envelope, Self Seal
#adComplyRight #ad - Complyright: at complyright, state, our mission is to free employers from the burden of tracking and complying with the complex web of federal, and local employment laws. Complyright is the market leader in government compliant products such as tax forms, labor law solutions, HR products and services, tax software, and health insurance claim forms.More information #ad
Holds up to 50 unfolded forms. Prevents processing delays. Self seal, Case of 500 . Confidential lining for added security.Brand | ComplyRight #ad |
More information #ad
8. Next Day Labels
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100 Per Pack, CMS HCFA 1500 Security Tint Self Seal Envelopes
#adNext Day Labels #ad - Made in the usa by next day Labels TM - 100% Guaranteed. White envelope with a 4-1/2 x 1-1/8" Window On The Right Side. Designed for medicare form #HCFA-1500, Medicaid, and other health insurance claim forms.More information #ad
Just fold over the flap and will stick. Security tint inside Self Seal, No Water needed.Brand | Next Day Labels #ad |
Manufacturer | Next Day Labels #ad |
Part Number | NDL-HCFA100EN |
More information #ad
9. Blue Summit Supplies
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500 No. 8 Flip and Seal Double Window Security Check Envelopes, Designed for Quickbooks Printed Checks, Number 8 Size 3 5/8 Inch x 8 11/16 Inch
#adBlue Summit Supplies #ad - Perfectly fits quickbooks checks, or other computer printed checks: checks will slide in easier with a slightly wider design than a standard 8 5/8 envelope.Provides complete check security: your checks will be hidden with our security tint design. Checks amounts and memos will not be visible: Only addresses will show through our unique double window design with no need to change QuickBooks settings.
More information #ad
Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Just flip flap and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Weight | 1 Pounds |
Part Number | BSS-92588-012 |
More information #ad
10. Blue Summit Supplies
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Thick Gummed Seal, Invoices, Business Statements, 500 Number 10 Single Window Envelopes, Designed for Secure Mailing of Quickbooks Checks, Personal Letters, 4 1/8 x 9 1/2
#adBlue Summit Supplies #ad - 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.Your business mail recipient address will show through the single window and you can quickly print your return address or add return address labels.
More information #ad
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.Brand | Blue Summit Supplies #ad |
Manufacturer | Blue Summit Supplies #ad |
Part Number | BSS-92588-011 |
More information #ad