Completing the New Guardian assortment are these Internal Mail envelopes. Great for the rotating of internal mail when needing to keep privacy. The resealable Intertac Flap is made of quality 90gsm paper and ensures your documents arrive intact. These have 36 address boxes and Punched holes reveal instantly if documents are enclosed.

  • Resealable flap ensures contents arrive in tact
  • 36 address boxes for multiple mailing trips
  • Punched holes reveal instantly if documents are enclosed
  • Quality 90gsm paper
  • PEFC certified
DeliveryEstimated DeliveryCost
Express DeliveryOrder before 1pm for next day delivery*��5.99 Standard Delivery 3-5 days.


You can return your purchase within 14 days of receipt where it is unused and in its original packaging. There are some exceptions, for example with specific hygiene products or if a product has been personalised or is not in a resaleable condition.

Any conditions of return are clearly stated below. See our full returns policy here.

* UK mainland only

** Industrial Scotland includes postcodes AB, DD, DG, EH, FK, G, IV5, IV30, IV31, KA, KY, ML, PA (except PA36, PA38, PA40, PA50), PH1 to PH18, TD

*** Scottish Highlands and Islands, Northern Ireland, Isle of Man, Scilly Islands, Channel Islands

BrandNew Guardian