Board Backed Envelopes / Hard Back Envelopes
Strong Board Backed Envelopes in a Range of Sizes
Choose your preferred size of strong DEFENDA ENVELOPES from our range of 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 great quality heavy duty board backed envelopes you can certainly rely on DEFENDA Board Backed Envelopes to protect your items in the postal system at incredibly low prices. A range that allows clients to choose standard letter or large letter qualifying sizes ensures the maximum saving on Royal Mail postage charges.
We have been producing superior quality board backed envelopes for decades & strongly believe that many of the board backed envelopes on the market today simply do not deliver in terms of quality and the protection they provide to their contents. Our premium DEFENDA Envelopes on the other hand are competitively priced without compromising the strength that our clients demand & we have long delivered. When it comes to premium board backed envelopes – our strong card back coupled with quality paper fronts makes Defenda Envelopes the best option for almost any mailings you need to make.
Showing all 17 results
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C6 / A6 CLASSIC Board Backed Envelopes (162mm x 114mm 6.37″ x 4.48″ appx)
Price range: £0.43 through £462.50 Select options This product has multiple variants. The options may be chosen on the product page -
C6 / A6 PiP Board Backed Envelopes (190mm x 140mm 7.48″ x 5.5″ appx)
Price range: £0.47 through £307.50 Select options This product has multiple variants. The options may be chosen on the product page -
C5 / A5 PiP Board Backed Envelopes (238mm x 163mm 9.37″ x 6.42″ appx)
Price range: £0.51 through £372.40 Select options This product has multiple variants. The options may be chosen on the product page -
C5 / A5 PLUS Board Backed Envelopes (241mm x 178mm 9.5″ x 7″ appx)
Price range: £0.58 through £478.75 Select options This product has multiple variants. The options may be chosen on the product page -
Photograph Size Board Backed Envelopes (267mm x 216mm 10.5″ x 8.5″ appx)
Price range: £16.99 through £329.00 Select options This product has multiple variants. The options may be chosen on the product page -
C4 / A4 Board Backed Envelopes (324mm x 229mm 12.75″ x 9″ appx)
Price range: £1.00 through £425.50 Select options This product has multiple variants. The options may be chosen on the product page -
C4 Tariff Beater Board Backed Envelopes (324mm x 229mm 12.75″ x 9″ appx)
Price range: £22.75 through £112.75 Select options This product has multiple variants. The options may be chosen on the product page -
C4 / A4 LIGHTWEIGHT Board Backed Envelopes (324mm x 229mm 12.75″ x 9″ appx)
Price range: £20.38 through £116.85 Select options This product has multiple variants. The options may be chosen on the product page -
C4 / A4 Board Backed Envelopes with STIFFENERS (324mm x 229mm 12.75″ x 9″ appx)
Price range: £19.25 through £179.50 Select options This product has multiple variants. The options may be chosen on the product page -
WHITE C4 / A4 Board Backed Envelopes (324mm x 229mm 12.75″ x 9″ appx)
Price range: £28.25 through £162.50 Select options This product has multiple variants. The options may be chosen on the product page -
WHITE C4 / A4 Board Backed Envelopes WITH WINDOWS (324mm x 229mm 12.75″ x 9″ appx)
Price range: £16.25 through £168.50 Select options This product has multiple variants. The options may be chosen on the product page -
Small Parcel Size Board Backed Envelopes 449mm x 349mm (17.6″ x 13.7″)
Price range: £34.50 through £318.40 Select options This product has multiple variants. The options may be chosen on the product page -
C3 / A3 Board Backed Envelopes With STIFFENERS (457mm x 324mm 18″ x 12.75″ appx)
Price range: £18.50 through £312.12 Select options This product has multiple variants. The options may be chosen on the product page -
C3 / A3 Board Backed Envelopes (457mm x 324mm 18″ x 12.75″ appx)
Price range: £10.25 through £446.21 Select options This product has multiple variants. The options may be chosen on the product page -
WHITE C3 / A3 Board Backed Envelopes (457mm x 324mm 18″ x 12.75″ appx)
Price range: £26.25 through £565.40 Select options This product has multiple variants. The options may be chosen on the product page -
394mm x 318mm (appx 15.5″ x 12.5″) Board Backed Envelopes
Price range: £21.75 through £241.00 Select options This product has multiple variants. The options may be chosen on the product page -
444mm x 368mm (appx 17.4x 14.4″) Board Backed Envelopes
Price range: £24.75 through £287.50 Select options This product has multiple variants. The options may be chosen on the product page
Showing all 17 results
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No delivery to PO boxes.
Shipping to Offshore/Highlands – click here
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Outside the UK? See international shipping rates