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

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

Quickly and easily send hundreds of pieces business mail with our #10 envelope design and our easy to use peel and seal flap.

Our Peel and Seal flap with low profile window design creates a wide opening so you can quickly stuff several invoices into the envelope. These envelopes prevent invoices from getting stuck during stuffing

Once sealed, no adhesive is exposed so you do not have to worry about the envelope sticking to other mail

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 Durable #10 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
Just peel and seal for a strong lasting seal. Our security envelopes will quickly and easily create a strong seal for completely secure business mail.
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 business mail will be completely hidden with our dark security tint design Blue Summit Supplies White