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C4 / A4 Board Backed Envelopes (324mm x 229mm 12.75" x 9" appx)

  • Product Code: BBENV-C4-BR#
  • £0.00

FREE SHIPPING on orders over £30 (ex VAT) to Most UK Mainland Addresses
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Available Options

Superb quality strong C4 Board Backed Envelopes / A4 Board Backed Envelopes.

If you need to keep the weight of your C4 size envelope & its contents down to stay in a lower Royal Mail Postage band – why not check out our Tariff Beater Envelopes

Our Heavy Duty C4 / A4 Hard Backed Envelopes are ideal for helping ensure that all of your A4 size documents make it through the postal service without being damaged.

Made from a combination of a strong 1000 micron board and 120gsm paper, these heavy duty C4 Board Backed Envelopes provide an ideal balance between strength and weight. DEFENDA Envelopes have gained a reputation as high performance quality board backed envelopes within a weight that allows clients to make the most of Royal Mail’s weight based pricing bands.

C4 / A4 Peel & Seal Board Backed Envelopes Specification

Weight: 54g appx

Postage Category: Large Letter

Board Grade: 1000 micron

Paper Grade: 120gsm

When to use our superb quality heavy duty board backed envelopes...

Strong C4 board backed envelopes are most often used when additional protection is required for the envelope’s A4 contents. The board or card back provides a sturdy alternative to paper envelopes & can even be further strengthened with envelope stiffeners if required to provide the maximum protection of certificates, small A4 size art & many other things besides.

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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