Open End EnvelopesNo.: CMXEP-004The main feature of Open End Envelopes, also known as catalog envelopes, is the placement of the envelope flap on the short end of the envelope. This design makes it easy and secure to insert and remove contents from the envelope. Select the appropriate weight and color for your mailing needs. Open End Envelopes are available with adhesive Peel & Seel closures to make sealing your envelopes easy.