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Product: Blue Summit Supplies 500#10 Single Window Security Envelopes Flip and Seal, Designed for QuickBooks Invoices and Business Statements, Number 10 Size 4 1/8” X 9 1/2”, 500 Pack

Save Time and money sending business mail with our # 10 Left Window Security Envelopes, Flip and Seal, 500 Pack

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; 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.

24 LB white wove paper 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 expectations, then send them back anytime for a 100% refund.

Perfect for mailing Invoices, QuickBooks invoices, billing statements, checks, and other business mail.
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
Save time with our easy to use flip and seal design; with no need for licking or moistening, our self sealing design allows for sending hundreds of invoices quickly and easily and is guaranteed to stay sealed with no need for tape or glue sticks.
Save time by quickly stuffing multiple pieces of business mail in our wide and large #10 security envelope design. Smaller #9 or #8 return envelopes will fit inside to get your invoices paid quicker.
Our dark security tint design provides complete business mail security so your professional business mail will be completely hidden from view during transit Blue Summit Supplies