Deliver and send important documents through the office or in the mail with these Mead Press It Seal It Envelopes. They are made of high-quality brown kraft paper for added resistance to normal wear and tear. These office envelopes measure 10 x 13. They feature a removable tape that you peel back to reveal the self-adhesive strip. Simply add your documents remove the tape and press to seal it. They come in a convenient six-count package.