Top 10 Check Envelopes SELF Seal – Business Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. Blue Summit Supplies

#ad

Number 8 Size 3 5/8 Inch x 8 11/16 Inch, 500 No. 8 Flip and Seal Double Window Security Check Envelopes, Designed for Quickbooks Printed Checks

#ad
Blue Summit Supplies #ad - 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.

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. 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. Provides complete check security: your checks will be hidden with our security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberBSS-92588-012

2. Aimoh

#ad

QuickBooks & Quicken Checks, Size 3 5/8 x 8 11/16 Inches, Not for Invoices, 500 Count30180, 500#8 Double Window Self Seal Security Envelopes, Checks Fit Perfectly, for Business Checks

#ad
Aimoh #ad - Premium security tint check envelopes: Ultra Secure security tint pattern - Double Window Security Tinted Check Envelopes. Five hundred count: each box contains a long lasting Five Hundred envelope supply, ideal for business and home office use.

Perfect secure design: measures perfectly 3 5/8 inch x 8 11/16 inch to prevent checks from sliding and moving unlike others on the market, securing sensitive information to remain hidden even through the two windows. Dual window custom designed for mailing business checks: top window height is 7/8 inch x 3-1/2 inches wide and is positioned 3/8 inch from the left and 2-3/8 inch from the bottom, Bottom Window height is 7/8 inch X 3-1/2 inch wide and is positioned 7/8 inches from the left and 3/4 inches from the bottom.

Quick-seal self seal strip: aimoh’s double window Security Tinted Self Seal Check Envelopes uses a premium adhesive peel and seal designed strip to create a strong, secure self-sealing seal.
BrandAimoh #ad
ManufacturerAimoh #ad
Part Number30180

3. Blue Summit Supplies

#ad

Designed for QuickBooks Checks, Computer Printed Checks, 3 5/8 X 8 11/16 NOT for INVOICES, 500 Self Seal Double Window Security Envelopes

#ad
Blue Summit Supplies #ad - Perfectly fits quickbooks laser checks, or other computer printed checks: checks will slide in easier with a slightly wider design than the standard two window 8 5/8 envelope.

Maintains professional look and feel throughout transit with our durable 24 LB white wove envelope paper. Just peel and seal to create a strong lasting seal: Our self seal design is quick and easy and is guaranteed to stay sealed. Checks amounts and memos will not be visible: Only addresses will show through our unique 2 window design with no need to change QuickBooks, QB Online, or Quicken settings. Provides complete check security: your checks will be hidden with our security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight1 Pounds
Part NumberFBA_BSS-92588-001
ModelFBA_BSS-92588-001

4. Quality Park

#ad

Quality Park #8 Double Window Security Envelopes for QuickBooks Checks, 24 lb White, 500/Box QUA50766, 3 5/8 x 8 11/16, Redi-Strip Self Seal Closure

#ad
Quality Park #ad - A security tint makes envelopes hard to see through; a security pattern scrambles the appearance of text; keeps contents safe from prying eyes, even if held to light. Quality park #8 double window envelopes are a perfect fit for QuickBooks & other computer checks; with security tint for privacy & a Redi Strip self seal closure for fast easy mail days; 500 per box.

Double window envelopes display just the sender & receiver addresses; precise measurements keep check amounts and memo lines out of view. Our no 8 mailing envelopes are a little bit wider and roomier than your standard check envelope; 3 5/8 x 8 11/16 inches wide to more easily fit wider QuickBooks checks & other computer laser checks. Redi-strip peel and seal envelopes let you fly through your mail routine in record time; just peel & press for a durable adhesive seal without applying moisture.
BrandQuality Park #ad
ManufacturerTOPS Products #ad
Height3.75 Inches
Length12.13 Inches
Width9.13 Inches
Part NumberQUA50766
ModelQUA50766

5. Next Day Labels

#ad

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

#ad
Next Day Labels #ad - Stop licking envelopes" Just fold the flap, get a quick, secure seal. Guaranteed to fit all your computer business checks. Box of 500 #9 double window check Envelope, 3-7/8 X 8-7/8. Made in the usa by Next Day Labels TM. Fold and seal - Security Tint Inside.
BrandNext Day Labels #ad
ManufacturerNext Day Labels #ad
Weight0.01 Pounds
Part NumberNDL Check Envelopes
Model92664

6. Amazon Basics

#ad

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

#ad
Amazon Basics #ad - Interior security tint for privacy; securely send checks, invoices, or other confidential documents. Includes 500 #10 envelopes made of 24-pound white woven paper; smooth surface works well for direct printing. 10 business letter envelopes for home or office. Product dimensions: 4-1/8 x 9-1/2 inches. Peel-and-seal closure; no moisture needed.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZP5
ModelAMZP5

7. Next Day Labels

#ad

Box of 500 Number 8 Envelopes, Flip and Seal, Measures 3-5/8 inch x 8-11/16 inches, Double Window Security Check Envelope, Size fits QuickBooks Printed Checks

#ad
Next Day Labels #ad - The envelopes are designed strictly for checks, not for invoices or other documents. White wove paper. Store your envelopes in these sturdy boxes until you’ve used them all up. Get the perfect fit with our pack of 500 #8 envelopes designed to fit checks printed on QuickBooks, Quicken, QuickBooks online, and other computer software.

An outstanding product down to the packaging! our envelopes are packed in a top-quality hard box, which will not tear during handling. Our special wider design than the typical 8 5/8 inch envelope makes it quicker and easier to slide checks in. Demonstrate your professionalism with our excellent quality envelopes, made of 24 lb. Handy double window ensures that the addresses of sender and receiver are visible, but nothing else! The amount of your check or any other information will be hidden from view.

Keep checks secure with our long lasting, durable flip-and-seal flap. Additional safety is provided with our security tint design, which keeps check amounts and memos concealed. The boxes will last as long as you need them. This self-sealing closure will keep your envelope sealed securely.
BrandNext Day Labels #ad
ManufacturerNext Day Labels #ad
Part NumberNDL-8dw

8. Quality Park

#ad

Self Seal, 500/Box QUA24539, Invoices/QuickBooks Statements, 3-5/8" x 8-5/8", Quality Park #8 5/8 Security Envelopes, Double Window, 24 lb White

#ad
Quality Park #ad - These boxes of 500 white #8 5/8 double window security envelopes 3 5/8 in x 8 5/8 in protect your customers' sensitive data; a reflex blue pattern obscures the details of what's inside.

8 5/8 mailing envelopes measure 3 5/8 in height x 8 5/8 in width and are made of 24 lb white wove paper with professional side seams; #8 5/8 envelopes fit into #10 envelopes. 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. Stock up on boxes of 500 machinable #8 5/8 envelopes for bulk mailings. Double window envelopes show sender and receiver addresses; top window: 3 5/8" x 8 5/8"; 5/8" from the left; 2 1/4" from the bottom; bottom window: 1" x 4", 5/8" from the left; 2 1/4" from the bottom.
BrandQuality Park #ad
Manufacturer0 #ad
Height3.88 Inches
Length13.13 Inches
Weight5.26 Pounds
Width9.13 Inches
Part Number24539
Model24539

9. Amazon Basics

#ad

White, Amazon Basics #6 3/4 Security Tinted Envelopes with Peel & Seal, 100-Pack

#ad
Amazon Basics #ad - Interior security tint keeps content private; windowless design. Measures 3-5/8 by 6-1/2 inches each. 24-pound white woven paper for quality and strength. 100-pack of #6 envelopes with Peel & Seal closure—no moisture needed. Ideal for home or office; securely send checks, invoices, or other confidential documents.
BrandAmazon Basics #ad
ManufacturerAmazon Basics #ad
Part NumberAMZA25
ModelAMZA25

10. Aimoh

#ad

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

#ad
Aimoh #ad - 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.

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. Ultra strong quick seal; manufactured with ultra strong, quick seal adhesive, perfect for mailing larger, creating a super strong seal across the width of the envelope for a strong seal that won’t easily tear, thicker documents. Easy read single window; perfect for bulk mailing, each envelope has a premium, positioned 7/8" from the left and 1/2" from the bottom of the envelope, 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.

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.
BrandAimoh #ad
Part NumberFBA_35210
ModelFBA_35210