Cardboard Boxes

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Poly Postal Packaging offers competitive pricing on single wall cardboard boxes, double wall boxes and printed boxes. Free delivery & bulk discounts subject to terms. Whatever your specific requirements, one of these cardboard boxes will provide the best-possible results.

For effective protection you can rely on at a price you can afford, nothing beats our range of top quality boxes. We offer an good range of postal boxes and storage cartons so you can look to us as your one-stop shop for all your cardboard box needs.  We are adding to the range continuously.

The information below can help you learn more about the specific advantages of single wall and double wall cardboard boxes. For more specific information click on the link below.

Single Wall Cardboard Boxes

By far the most commonly purchased cardboard box, single wall boxes account for approx 80% of cardboard storage products for sale in the UK. Single wall boxes can be used for a variety of standard storage, transportation and general purpose packing applications. These boxes feature a four-flap design that provides for security and durability during transport. Wholesale pricing options are available.

Double Wall Cardboard Boxes

Featuring a corrugated double wall design, these boxes are optimised for heavier items and are well-suited to shipping and transport through product carriers and postal networks as well as for inclusion in large personal-use applications. For customers purchasing double wall boxes in bulk, Poly Postal Packaging offers advantageous bulk pricing options.

We know there are times when you need to send larger items that require extra protection, and that's why our double wall cardboard packing boxes could be the ideal product for you. Available in a variety of sizes, they are sturdy, hard-wearing and extremely reliable.

Other Box Solutions / Printed Boxes

Whether your consignments consist of heavy duty machinery or delicate jewellery items, we have the packing boxes for you available from stock or made to order within 7days.

Poly Postal Packaging is able to supply full colour custom printed boxes in a wide variety of formats suitable for anycustomer. Printed boxes can be achieved via various methods including flexo, digital or litho printing methods 

Our specialist selection includes:

  • Extra heavy duty boxes
  • BDCM & BDC boxes (Bulk Distribution Cartons)
  • Double-walled “Handle With Care” boxes
  • Pallet boxes
  • Boxes for bottles & mugs
  • Postal boxes
  • Printed Boxes 

Please use the link below to email us if you do not see the size of cardboard box you require as I can promise we will most certainly stock the size or something very close to it


If you are not sure about what style of carton you require then you can take a look at our  " FEFCO GUIDE " or Get In Touch.


Box dimensions refer to the internal (usable) dimensions and are always measured in the same order.

1. Longest opening dimension (length)
2. Shortest opening dimension (width)
3. Depth (height)

Depending on the board grade and flute, the internal and external dimensions of a box can differ significantly so bear this in mind when working out what size box you need for your item.

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