#10 Windowless Security Envelopes, Flip and Seal, 500 Count
Durable and professional go-to standard business envelope for mailing invoices, statements, and other office mailing needs
Roomy enough for a return envelope to be included, so you can get paid faster
Low profile flap design creates a wide opening for easy and quick envelope stuffing
Flip and seal flap makes it simple to close without having to lick or moisten the glue
Dark security tint lining keeps your important documents securely concealed throughout transit
It’s no secret that the #10 security envelope is the workhorse of business mailings, and we’ve designed our standard flip and seal #10 envelope to keep your documents safe and secure behind a strong permanent glue seal throughout transit.
Our most popular business envelope is made from a durable 24lb white wove paper and comes equipped with a low profile flap design, which makes it easy to fold and stuff up to 10 sheets of standard letter size paper inside with room for a #8 or #9 return envelope as well – so you can make it simpler than ever for your clients to quickly return payments to you. And with our dark security tint lining the inside, your confidential mail will stay concealed and secure all the way to its destination. It’s an envelope choice that’s simple enough for everyday letters and statements, yet professional and secure enough for even high-profile business communications.
We stand behind our products completely. We understand that buying products online can sometimes be difficult because 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 we welcome you to send them back anytime for a 100% refund. Click here for more information regarding refunds or returns >
#10 double window envelope
Dimensions: 9 1/2 inches X 4 1/8 inches
24lb white wove paper
Package quantity: 500 Count
This envelope is equipped with a flip and seal closure, does not require moistening, but cannot be used in a bulk mail machine. For envelopes that can be used in a mail machine, you’ll want to use a gummed seal envelope.
They feed through the printer and take the toner well, I've had some envelopes where the peel and stick part is thicker and the printer can't get the heat through to seal the toner and it smears everywhere. Sturdy construction, and the glue seals well. Great envelopes from a great company!