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DL Large Letter Postal Boxes - Royal Mail PiP Boxes (210mm x 110mm x 19mm)

  • DL Large Letter Postal Boxes - Royal Mail PiP Boxes (210mm x 110mm x 19mm)
  • Product Code: LL-DCDLPIP#
  • £0.00

FREE SHIPPING on orders over £30 (ex VAT) to Most UK Mainland Addresses
Orders placed after 3.00 pm may not be shipped on the same day

Available Options

Business Letter or DL Size Large Letter Postal Boxes (Locking Tab Style) - Manufactured with the interlocking tabs to provide extra postal strength.
(For the Quickpack version of this DL Large Letter Box - Click here)

Defenda DL Large Letter Boxes

These superb quality business envelope size DL Large Letter PiP Postal Boxes (often referred to as DL Large Letter Boxes or simply DL PiP Boxes) are designed to provide superior levels of protection & huge savings when used to send your items through the post as Large Letters with Royal Mail. The box has the footprint of a DL size business envelope but is of course deeper and can accommodate far more whilst still qualifying as a Large Letter with lower postal costs than a Small Parcel.

Our DL Size Large Letter Postal Boxes are used for posting DL or Business Letter size items. However, the DL size Royal Mail Large Letter Box can be used to ship a whole range of other suitable items safely through the postal system.

Large Letter Boxes

If you are looking for the cheapest prices on other sizes of excellent quality Large Letter Postal Boxes then see our full range of Large Letter Royal Mail Pricing in Proportion PiP Boxes.


These DL Large Letter Postal Boxes with locking tabs are manufactured by us here in the U.K. — so they don’t clock up huge amounts of import miles. They are produced using recycled & recyclable material & there is no bleaching involved in the manufacturing process.

Royal Mail Small Parcel Sized Boxes

Small Parcel Boxes in a range of sizes that conform to Royal Mail Small Parcel size restrictions are also available check our Small Parcel Postal Boxes.

Locking Tab DL Royal Mail Postal Box Spec:

DL Large Letter PiP Box Internal Dimensions - 210mm x 110mm x 19mm
Board: E flute
Individual DL Large Letter Box Weight: 27g (appx)

Like all of our Large Letter Size Postal Boxes or PiP Boxes, these DL PiP boxes are manufactured using quality board in an E flute --- maximising the strength of the box whilst leaving the sufficient space in the box for contents.

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Shipping Rates & Upgrades

so no nasty surprises at checkout.

With the vast majority of items listed on this site being supplied without an additional charge for postage on orders over £30 NET .

The only time you may have additional charges is when you’re buying bulk quantities, very large items or you’re located offshore or in certain parts of the Scottish Highlands.

Please note that we cannot deliver to PO boxes.

Please check here for Offshore and Scottish Highlands shipping upgrades

If you require a faster delivery, click here for timed shipping upgrades

If you are ordering outside of the UK, please click here to see our international rates