Save Time and money Sending Business mail with our # 10 Single Window Security Envelopes

Quickly and easily send hundreds of business invoices, bill statements, and checks with our #10 envelope...

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Product Review

Save Time and money Sending Business mail with our # 10 Single Window Security Envelopes

Quickly and easily send hundreds of business invoices, bill statements, and checks with our #10 envelope design and cost effective gummed seal.

  • Our gummed flap with thick adhesive make for quick and easy mass mailings.
  • Saves you money on bulk business mailing of business statements, invoices, or checks
  • Enough room for no 8 or no 9 return envelopes so you can get paid faster

Business mail will be completely secure during transit

It can be so difficult to find envelopes that create a strong lasting seal thus forcing you to waste time using glue sticks or tape to close the envelopes. Our Single Window envelopes with strong adhesives are designed to immediately create a strong seal so you do not have to worry about your contents being exposed to others.

Unlike weak sealing envelopes that allow your contents to fall out and become exposed, So much for a security envelope, Our strong seal will guarantee the safety of your contents.

> 24 LB White Wove Paper that creates a professional look and feel from out of the box all the way to your destination

100% Money Back Guarantee

We stand behind our products completely. We understand that sometimes buying physical products can be difficult if you cannot physically see what you are buying, however, if our product is not exactly what you are looking for, or does not meet your expectation then send them back anytime for a 100 % refund.



  • Perfect for mailing Invoices, QuickBooks Invoices and checks, billing statements, 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.
  • 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. 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

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