Cumberland DL Envelopes – Secret Self-Seal, 110 x 220mm, Box of 500

You're at the post box with a stack of letters and zero patience for licking fifty envelopes one by one. These Cumberland DL envelopes use a secret self-seal closure – fold the flap, press, done. Standard 110 x 220mm size. A box of 500 keeps your mailroom running without a weekly top-up trip. One box. Sorted

• Secret self-seal closure – no licking, no glue, just fold and press
• Standard DL size: 110 x 220mm, fits any DL post slot
• Box of 500 – enough for a month of regular mail without reordering
• Cumberland brand – dependable stationery that's been on the shelf for years