Key features

• •Designed for secure everyday home and business mailings, our windowless number 10 security envelopes are a perfect fit for standard 8.5'' x 11'' paper sizes and other folded letter or legal size documents.
• •Provides complete mail security with no need to worry about others seeing your documents, thanks to our dark black security tint lining which completely hides your confidential mail.
• •Save time with our easy to use flip and seal, self-seal design; No more headaches, or bad tastes in your month from licking envelopes, or wasting money on tape. Our self seal design allows for sending hundreds of invoices quickly and easily
• •Quickly stuff multiple pieces of business mail into our wide opening #10 security envelope design with large flip-and-seal opening. Smaller #9 or #8 return envelopes will easily fit inside so you can get your invoices paid quicker.
• •Create a professional look for your mail all the way to its destination thanks to our durable 24 white wove paper and smooth front envelope with no windows
• •It's simple to flip up the bottom flap and press down the top flap to seal
• •No wasted plastic strips from the peel and seal design
• •Enough room for no. 8 or no. 9 return envelopes so you can get paid faster