Sales & Customer Services: Mon-Fri 8.00AM - 4.30PM 02380 869999 sales@transpack.co.uk Contact Us

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Packaging Supplies in the UK & Europe since 1953

PIP Boxes

      • PIP boxes (Pricing in Proportion) are a great way to send small parcels. 3 of our boxes will fit through the 25mm slot which Royal Mail class as a ’Large Letter’ thereby minimising your postage costs.
      • The 4th box will fit throught the 'small parcel' slot.
      • Made from lightweight board these boxes are light to post and quick to put together by folding along the pre-defined creases. Lock them into place using the tabs and secure with tape.
      • Your item will look good and arrive safely.
      • Ideal for small but precious items which need more protection than an envelope
      • Supplied flat packed & easy to store
      • Quick to assemble

Watch our video about "PIP Boxes" - use the full screen option to see in the best quality.

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PIP Boxes Video Transcript

PIP Boxes are specifically designed to fit through the 25mm slot that Royal Mail class as a large letter. This minimises your postal costs and the boxes are quick to put together as well as being lightweight and durable. Simply fold along the pre-defined creases, lock them into place using the tabs, and then secure them with tape like this.


The boxes are sent to you flat packed for easy storage and delivery. They come in three sizes, all of which are guaranteed to fit through the large letter slot. The total package must weigh less than 750g.


Order online or by telephone before 3pm and we aim to despatch your order the same working day. Orders over the value of £35 are delivered free of charge. For any other queries please call our customers service helpline on 02380 869999 or visit our website and our friendly staff will be more than happy to help you.