PremierTeam pocket envelopes in size DL+ (121 mm x 235 mm) have a self seal opening flap on the long side and solid design for privacy. White DL+ envelopes from PremierTeam measure 121 mm x 235 mm (4 3/4 x 9 1/4) and are made from a quality 110gsm white paper to give you a professional look for every letter or mailing that you send. These plain envelopes are solid for sending private documents without seeing the interior contents, and feature interior security printing. The self seal flap has adhesive on both sides for a quick, easy and secure seal.