Top 10 Invoice Envelopes Self Sealing – Business Mailing Envelopes

As an Amazon Associate I earn from qualifying purchases.

1. Blue Summit Supplies

#ad

500 No. 9 Flip and Seal Double Window Security Envelopes, 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

#ad
Blue 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. 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.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Weight5.27 Pounds
Part NumberBSS-92588-007
ModelBSS-92588-007

2. Aimoh

#ad

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

#ad
Aimoh #ad - Quick seal adhesive; aimoh's #9 envelopes use ultra secure, quick seal adhesive to create a full, super secure seal across each envelope’s width that won’t easily open or tear as with cheaper gummed seals, 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.

Security tint; forget thin, easily read envelopes these premium #9 Security Envelopes are designed with security tinted wave patterns which easily obscure details, numbers and other data within, perfect for mailing business statements and invoices while protecting sensitive information.99 double window quick seal security envelopes; tired of cheap thin, extra large, with premium security tint, easily torn envelopes? Aimoh's#9 Security Envelopes are the perfect solution, easily read dual front windows and super secure quick seal adhesive.

Double windows; professional, easily read double front windows suitable for standard business and legal mailings, eliminating constantly printing and hand writing addresses, advertising campaigns and many more, 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.
BrandAimoh #ad
ManufacturerAimoh #ad
Height4.1 Inches
Length11.5 Inches
Weight0.01 Pounds
Width9.2 Inches
Part NumberFBA_30139
Model30139

3. Blue Summit Supplies

#ad

Number 9 Size 3 7/8 Inch X 8 7/8 Inch, 500 No. 9 Double Window Security Envelopes, Designed for Quickbooks Invoices and Business Statements with Self Seal Peel and Seal Flap

#ad
Blue Summit Supplies #ad - 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.

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 without licking or moistening. Perfectly fits quickbooks invoices and business billing statements: sender and return address will be visible on your QuickBooks invoices and monthly bills through our unique two window design. Our self seal design is quick and easy and is guaranteed to stay sealed with no need for tape or glue sticks.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Height4.5 Inches
Length8.5 Inches
Width12 Inches
Part NumberBSS-92588-002
ModelBSS-92588-002

4. Columbian Envelopes

#ad

500 per Box COLO166, for Invoices and Statements, White, 3-7/8 x 8-7/8 Inches, Self-Sealing, Columbian #9 Double-Window Security Envelopes

#ad
Columbian Envelopes #ad - Each #9 envelope is easy to open and close; simply remove the Release & Seal strip and press the flap closed for a clean, sanitary seal; use the pull strip to open without difficulty.

Box of 500 columbian white double window #9 envelopes 3-7/8" x 8-7/8" with a SimplySafe tamper-evident seal and peel off Release & Seal closure; top window: 7/8" x 3 1/2"; bottom window: 1" x 4". Columbian #9 double window envelopes have a patented SimplySafe seal that will show signs of tampering, safeguarding against unauthorized opening. Stock up on boxes of 500 window envelopes and save; great for bulk mailings, these number 9 envelopes show sender and receiver addresses and can be run through a postage machine. Protect critical documents or your customers' sensitive data; these tinted envelopes have a reflex blue pattern that obscures the details of what's inside.
BrandColumbian Envelopes #ad
ManufacturerTOPS Products #ad
Height3.75 Inches
Length12.13 Inches
Width9.13 Inches
Part NumberCOLO166
ModelCOLO166

5. Columbian Envelopes

#ad

Statements and Legal Documents, Columbian #10 Double-Window Security Envelopes, for Invoices, 250/Box COLO176, Self-Sealing, 4-1/8 x 9-1/2 Inches

#ad
Columbian Envelopes #ad - Paper with tinted privacy pattern to mask fine details; your data is safe from prying eyes, even if held to light. Order this popular #10 size envelope well ahead and stay ready for bulk mailings; get 250 double-window envelopes per box.

Columbian no. Double window envelopes display just the sender & receiver addresses; precise measurements keep sensitive information out of view. Security-enhanced envelopes have 24 lb. Peel the paper strip from your Release & Seal envelope and press for permanent closure; no moisture required. 10 double-window envelopes 4-1/8" x 9-1/2" are the perfect fit for business statements and invoices.
BrandColumbian Envelopes #ad
ManufacturerTOPS Products #ad
Height4.3 Inches
Length9.6 Inches
Weight2.78 Pounds
Width7.3 Inches
Part NumberCOLO176
ModelCOLO176

6. Business Source

#ad

Business Source No. 9 Double Window Invoice Envelopes, Self Sealing 36681

#ad
Business Source #ad - Transparent windows allow convenient use with printed labels. Self-sealing adhesive creates instant bond without moisture. Perfect for sending checks, invoices, statements and more. Security tint keeps information hidden from view for added privacy.
BrandBusiness Source #ad
ManufacturerSP Richards (Uno) #ad
Height4.1 Inches
Length13 Inches
Weight6.25 Pounds
Width9 Inches
Part Number36681
Model36681

7. Quality Park

#ad

Box of 500, White, 4 1/8" x 9 1/2", 10, Quality Park® Redi-Seal™ Double-Window Security Envelopes

#ad
Quality Park #ad - Redi-seal envelopes are easy to secure. You're too busy to seal your double-window envelopes the old-fashioned way. Security envelopes feature a tinted inside for privacy and confidentiality. Thanks to redi-seal closures, these Quality Park security envelopes keep the contents secure and require no moisture to stick. Simply raise the lower flap and press to seal. Double-window security envelopes contain 2 poly windows - one for the return address and one for the mailing address. Quality park envelopes, featuring a unique double-flap design, keeps the gum from sticking before use.
BrandQuality Park #ad
ManufacturerQuality Park #ad
Height4.13 Inches
Length14 Inches
Weight6.5 Pounds
Width9.63 Inches
Part Number24559
Model24559

8. Blue Summit Supplies

#ad

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

#ad
Blue Summit Supplies #ad - Our security envelopes will quickly and easily create a strong seal for completely secure business mail. Your return and sender address will line up perfectly. 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. Perfect for mailing invoices, checks, billing statements, QuickBooks Invoices, and other business mail. Just peel and seal for a strong lasting seal. 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. Provides complete business mail security: your business mail will be completely hidden with our dark security tint design.
BrandBlue Summit Supplies #ad
ManufacturerBlue Summit Supplies #ad
Height4.4 Inches
Length11.9 Inches
Weight6.25 Pounds
Width10.1 Inches
Part NumberBSS-92588-003
Model74689

9. Office Deed

#ad

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''

#ad
Office Deed #ad - Quality: our no 9 security self seal envelopes made of 24-lb white wove. Our products will the perfect fit for all official purpose with high standard quality. Mail invoices, statements and other important documents with confidence.

Peel & seal closure: with the peel & seal closure, double window envelopes do not require licking to seal. Wove finish adds a professional touch. The liner keeps the gum dust-free before use. Simply press flaps together for a secure, strong seal.  . The blue tint pattern makes impossible to see the details of the contents, even when held up to the light. They come in boxes of 500, so you can stock up for long-term use.

 . Double window: #9 double window envelopes ideal for Quickbooks Invoices, Business Statement, Documents Secure Mailing. 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.
BrandOffice Deed #ad
ManufacturerOffice Deed #ad
Weight4.43 Pounds
Part NumberSSEDW9
ModelSSEDW9

10. Office Deed

#ad

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

#ad
Office Deed #ad - Double window: #10 double window envelopes ideal for Quickbooks invoice, Business Statements, Return Documents Secure Mailing. They come in boxes of 500, return envelopes, so you can stock up for long-term use.

 . The liner keeps the gum dust-free before use. Simply press flaps together for a secure, strong seal.  . Quality: our security self seal envelopes made of 24-lb white wove. The blue tint pattern makes impossible to see the details of the contents, even when held up to the light. Peel & seal closure: with the peel & seal closure, envelopes do not require licking to seal. Our products will the perfect fit for all official purpose with high standard quality.

500 envelopes in each box: our #10 4 1/8" x 9 1/2'' envelopes ideal for invoices, multiple business statements, any document from official business letters. Privacy: protect confidential client information with our security tinted envelopes. Mail invoices, statements and other important documents with confidence. Wove finish adds a professional touch.
BrandOffice Deed #ad
ManufacturerOffice Deed #ad
Weight6.64 Pounds
Part NumberSSESDW10
ModelSSESDW10