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Board Backed Envelopes / Hard Back Envelopes

 Strong Board Backed Envelopes in a Range of Sizes

Choose from C3 / A3 board backed envelopes, C4 / A4 board backed envelopes,  C5 / A5 board backed envelopes, C5 / A5 PiP board backed envelopes (Royal Mail Small / Standard Letter qualifying), C6 / A6 Postcard size or C6 / A6 Classic sized board backed envelopes.

If you're looking for the cheapest prices on quality board backed envelopes you can rely on DEFENDA Board Backed Envelopes to protect your items in the postal network. We strongly believe that many of the board backed envelopes on the market today simply do not deliver in terms of quality. Our quality envelopes are competitively priced without compromising the strength that our clients demand.

Shipping Rates & Upgrades

 All of our prices are shown Inclusive of VAT and Free Shipping to MOST UK Mainland addresses, however, some Bulk Buy items, deliveries to offshore addresses & a very small number of Northern Scottish Postcodes will incur a shipping charge or surcharge, please see below, so no nasty surprises for you at the checkout!

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


SPECIAL OFFER - £10.99 for Saturday Delivery