Large Letter Boxes

A postal box that conforms to the Royal Mail’s specification for “Large Letter”, meaning it will pass through a 25mm wide slot and can therefore be posted through a letter box, saving on postage costs, and reducing the chance of a failed delivery.. Easy to construct using the pre-defined creases.


  • Easy to fold - secure by clicking in the locking tab
  • Add an address label or secure wih tape to create a professional parcel
  • Size available -  A4

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