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

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

Quickly and easily send hundreds of business invoices or statements with our #10 envelope design and our easy to use Flip and Seal Flap.

Just flip the bottom flap and press to seal. Really easy to use so you can send invoices and statements quickly with no wasted plastic strips from the peel and seal design

Enough room for 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 invoice 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 fail out and become exposed, So much for a security envelope, Our strong seal will guarantee the safety of your contents.

Security with a Professional Look

It can be frustrating to purchase envelopes only to find them flimsy enough to have you worried about their durability during transit.

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, billing statements, checks, and other business mail. Your return and sender address will line up perfectly
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.
No need to spend time and money stamping, adding return labels, or spending extra money on custom envelopes, just quickly slide in your business mail to create professional looking 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.
Provides complete business mail security: your invoices and statements will be completely hidden with our dark security tint design Blue Summit Supplies White