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510mm x 510mm x 525mm (20" x 20" x 21") Double Wall Boxes / Cube Corrugated Cartons - DW2020

  • 510mm x 510mm x 525mm (20" x 20" x 21") Double Wall Boxes / Cube Corrugated Cartons - DW2020
  • Product Code: DW2020#
  • £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


Strong Double Wall Boxes – 20" Cube Boxes

Our square / cube double wall DW2020 cardboard boxes provide a great option as a strong postal box for items measuring 20" x 20" x 20" or appx 500mm x 500mm x 500mm see below for the exact internal sizes & other details.

All of our corrugated boxes & cartons are made in the U.K. to reduce import miles, making them even more suitable for companies or individuals working to reduce their carbon footprint.


DW2020 Heavy Duty Postal Box Specification

Box Size (Internal): 510mm x 510mm x 525mm / 20" x 20" x 21" inches

Flute: BC

Individual Box Weight: 

Category: Boxes & Cartons

FEFCO Style: 0201

Related Products

Shipping Rates & Upgrades


FREE SHIPPING ON ORDERS OVER £30 (ex VAT)...
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

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