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Royal Mail parcel & mailing guide

There are few things more frustrating than realising that you have put the wrong postage onto a parcel. It can lead to costly delays and wasteful to and fro. To help you make this headache a thing of the past, we have created a simple Royal Mail parcel and mailing guide which gives you the official measurements of letters, large letters, small, medium and large parcels.

Simply look down the list and find the size and weight that is right for your requirements. You can then make more informed decisions about the stationery you will need and the postage costs you should assume when sending mail from your offices.

  Format Max. Weight Max. Length Max. Width Max. Depth (thickness)
Letter Letter 100g 240mm 165mm 5mm
Large Letter Large Letter 750g 353mm 250mm 25mm
Small Parcel Small Parcel 2kg 450mm 350mm 160mm
Medium Parcel Medium Parcel 20kg 610mm 460mm 460mm
Large Parcel Large Parcel 30kg 1500mm 3m length & depth combined
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