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350gsm, Board Envelopes

  • C6 White 350gsm Board Peel & Seal Wallet Envelopes [Qty 200] 114mm x 162mm (2131439517785)

    C6 White 350gsm Board Peel & Seal Wallet Envelopes [Qty 200] 114mm x 162mm

    £26.50 excl. VAT (£31.80 incl. VAT)

    These all board envelopes are made from 350gsm card making them ideal for posting heavy duty documents such as calendars and brochures. Envelope si...

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  • C6 White 350gsm Board Peel & Seal Envelopes [Qty 200] 162 x 114mm (2131110395993)

    C6 White 350gsm Board Peel & Seal Envelopes [Qty 200] 162 x 114mm

    £25.00 excl. VAT (£30.00 incl. VAT)

    C6 White 350gsm Board Envelopes. These all board envelopes are made from 350gsm card, making them ideal for posting heavy duty documents such as ca...

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  • DL White 350gsm Board Peel & Seal Envelopes [Qty 100] 110mm x 220mm (2131354288217)

    DL White 350gsm Board Peel & Seal Envelopes [Qty 100] 110mm x 220mm

    £13.50 excl. VAT (£16.20 incl. VAT)

    DL White 350gsm Board Peel & Seal Envelopes. All board envelopes made from thick and heard wearing 350gsm card, so ideal for protecting content...

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  • C5 White 350gsm Board Peel & Seal Envelopes [Qty 200] 162 x 229mm (2131110232153)

    C5 White 350gsm Board Peel & Seal Envelopes [Qty 200] 162 x 229mm

    £28.00 excl. VAT (£33.60 incl. VAT)

    C5 White 350gsm Board Peel & Seal Envelopes - size 162mm x 229mm. All board envelopes in 350gsm card - ideal for protecting documents.

  • C5 Silver Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm (2131028279385)

    C5 Silver Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm

    £49.00 excl. VAT (£58.80 incl. VAT)

    This is a C5 Silver gloss 350gsm all board envelope designed to fit A5 documents. This is a very high quality envelope, it will protect the content...

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  • C5 Blue Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm (2131027230809)

    C5 Blue Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm

    £42.50 excl. VAT (£51.00 incl. VAT)

    This is a C5 blue gloss 350gsm all board envelope designed to fit A5 documents. This is a very high quality envelope which will protect the content...

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  • C5 Green Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm (2131027853401)

    C5 Green Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm

    £42.50 excl. VAT (£51.00 incl. VAT)

    This is a C5 Green gloss 350gsm all board envelope designed to fit A5 documents. This is a very high quality envelope, it will protect the contents...

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  • C5 Gold Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm (2131027558489)

    C5 Gold Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm

    £49.00 excl. VAT (£58.80 incl. VAT)

    This is a C5 Gold gloss 350gsm all board envelope designed to fit A5 documents. This is a very high quality envelope, it will protect the contents ...

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  • C5 Black Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm (2131026968665)

    C5 Black Gloss 350gsm All Board Envelopes [Qty 100] 162 x 235mm

    £42.50 excl. VAT (£51.00 incl. VAT)

    This is a C5 Black gloss 350gsm all board envelope designed to fit A5 documents. This is a very high quality envelope, it will protect the contents...

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  • C4 White 350gsm Board Peel & Seal Envelopes [Qty 100] 229 x 324mm (2131107315801)

    C4 White 350gsm Board Peel & Seal Envelopes [Qty 100] 229 x 324mm

    £16.00 excl. VAT (£19.20 incl. VAT)

    C4 White 350gsm Board Peel & Seal Envelopes in size 229mm x 324mm. All board envelopes made from 350gsm card are ideal for protecting contents ...

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  • C4 Silver Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm (2131029688409)

    C4 Silver Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm

    £68.00 excl. VAT (£81.60 incl. VAT)

    This is a C4 Silver gloss 350gsm all board envelope designed to fit A4 documents. This is a very high quality envelope, it will protect the content...

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  • C4 Red Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm (2131029459033)

    C4 Red Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm

    £61.50 excl. VAT (£73.80 incl. VAT)

    This is a C4 Red gloss 350gsm all board envelope designed to fit A4 documents. This is a very high quality envelope, it will protect the contents a...

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  • C4 Green Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm (2131029000281)

    C4 Green Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm

    £61.50 excl. VAT (£73.80 incl. VAT)

    This is a C4 Green gloss 350gsm all board envelope designed to fit A4 documents. This is a very high quality envelope, it will protect the contents...

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  • C4 Gold Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm (2131028705369)

    C4 Gold Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm

    £68.00 excl. VAT (£81.60 incl. VAT)

    This is a C4 Gold gloss 350gsm all board envelope designed to fit A4 documents. This is a very high quality envelope, it will protect the contents ...

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  • C4 Blue Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm (2131028574297)

    C4 Blue Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm

    £61.50 excl. VAT (£73.80 incl. VAT)

    This is a C4 Blue gloss 350gsm all board envelope designed to fit A4 documents. This is a very high quality envelope, it will protect the contents ...

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  • C4 Black Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm (2131028443225)

    C4 Black Gloss 350gsm All Board Envelopes [Qty 100] 229 x 324mm

    £61.50 excl. VAT (£73.80 incl. VAT)

    This is a C4 Black gloss 350gsm all board envelope designed to fit A4 documents. This is a very high quality envelope, it will protect the contents...

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  • C3 White 350gsm Board Peel & Seal Envelopes [Qty 100] 330 x 457mm (2131108364377)

    C3 White 350gsm Board Peel & Seal Envelopes [Qty 100] 330 x 457mm

    £28.00 excl. VAT (£33.60 incl. VAT)

    Box of 100 C3 White 350gsm Board Peel & Seal Envelopes size 330mm x 457mm. All board envelopes made from 350gsm card, ideal for protecting cont...

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  • C3 Silver Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm (2131030769753)

    C3 Silver Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm

    £90.00 excl. VAT (£108.00 incl. VAT)

    This is a C3 Silver gloss 350gsm all board envelope designed to fit A3 documents. This is a very high quality envelope, it will protect the content...

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  • C3 Red Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm (2131030573145)

    C3 Red Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm

    £85.00 excl. VAT (£102.00 incl. VAT)

    This is a C3 Red gloss 350gsm all board envelope designed to fit A3 documents. This is a very high quality envelope, it will protect the contents a...

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  • C3 Green Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm (2131030474841)

    C3 Green Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm

    £85.00 excl. VAT (£102.00 incl. VAT)

    This is a C3 Green gloss 350gsm all board envelope designed to fit A3 documents. This is a very high quality envelope, it will protect the contents...

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  • C3 Gold Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm (2131030245465)

    C3 Gold Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm

    £90.00 excl. VAT (£108.00 incl. VAT)

    This is a C3 Gold gloss 350gsm all board envelope designed to fit A3 documents. This is a very high quality envelope, it will protect the contents ...

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  • C3 Blue Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm (2131030081625)

    C3 Blue Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm

    £85.00 excl. VAT (£102.00 incl. VAT)

    This is a C3 Blue gloss 350gsm all board envelope designed to fit A3 documents. This is a very high quality envelope, it will protect the contents ...

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  • C3 Black Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm (2131029819481)

    C3 Black Gloss 350gsm All Board Envelopes [Qty 100] 330 x 457mm

    £85.00 excl. VAT (£102.00 incl. VAT)

    This is a C3 Black gloss 350gsm all board envelope designed to fit A3 documents. This is a very high quality prestigous envelope and will protect t...

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  • C2 White 350gsm Board Peel & Seal Envelopes [Qty 50] 444 x 625mm (2131108560985)

    C2 White 350gsm Board Peel & Seal Envelopes [Qty 50] 444 x 625mm

    £31.38 excl. VAT (£37.66 incl. VAT)

    444 x 625mm (C2) white 350gsm board peel & seal wallet envelopes. C2 size envelopes ideal for very large prints and documents.

  • 381 x 508 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131108462681)

    381 x 508 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £38.50 excl. VAT (£46.20 incl. VAT)

    381 x 508mm White 350gsm Board Peel & Seal Envelopes. All card envelopes are ideal for protecting items in the post such as brochures, calendar...

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  • 340 x 340 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131107807321)

    340 x 340 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £23.00 excl. VAT (£27.60 incl. VAT)

    340mm x 340mm Square White 350gsm Board Peel & Seal Envelopes. All board envelopes made from 350gsm card, ideal for protecting items in the pos...

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  • 318 x 406 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131108036697)

    318 x 406 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £27.00 excl. VAT (£32.40 incl. VAT)

    318 x 406mm White 350gsm Board Peel & Seal Envelopes ideal for calendars, brochures, photos and prints as the card material will protect contents.

  • 300 x 300 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131110035545)

    300 x 300 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £20.00 excl. VAT (£24.00 incl. VAT)

    300mm x 300mm Square White 350gsm Board Peel & Seal Envelopes. Box of 100 all board envelopes, made from 350gsm card.

  • 273 x 330 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131107676249)

    273 x 330 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £22.00 excl. VAT (£26.40 incl. VAT)

    273mm x 330mm White 350gsm Board Peel & Seal Envelopes. Ideal for calendars, brochures and more.

  • 260 x 260 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131109675097)

    260 x 260 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £17.00 excl. VAT (£20.40 incl. VAT)

    260 x 260mm Square White 350gsm Board Peel & Seal Envelopes. All board envelopes made from 350gsm card, ideal for protecting your documents in ...

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  • 254 x 381 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131107938393)

    254 x 381 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £23.00 excl. VAT (£27.60 incl. VAT)

    254mm x 381mm White 350gsm Board Peel & Seal Envelopes. All board envelopes made from 350gsm card to protect contents from damage.

  • 249 x 352 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131107545177)

    249 x 352 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £22.00 excl. VAT (£26.40 incl. VAT)

    249mm x 352mm White 350gsm Board Peel & Seal Envelopes. All board envelopes made from 350gsm card are ideal for protecting contents such as pho...

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  • 249 x 249 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131109380185)

    249 x 249 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £34.00 excl. VAT (£40.80 incl. VAT)

    Square White 350gsm Board Peel & Seal Envelopes in size 249mm x 249mm. Made from 350gsm card - ideal for items that need protection in the post...

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  • 248 x 330 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131107414105)

    248 x 330 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £17.50 excl. VAT (£21.00 incl. VAT)

    248mm x 330mm White 350gsm Board Peel & Seal Envelopes. Ideal for calendars and brochures, the all board envelope range will protect envelope c...

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  • 222 x 273 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131109871705)

    222 x 273 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £17.80 excl. VAT (£21.36 incl. VAT)

    Box of 100 White 350gsm Board Peel & Seal Envelopes - size 222mm x 273mm. All board envelopes made from 350gsm card, ideal for protecting your ...

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  • 220 x 220 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131109216345)

    220 x 220 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £30.00 excl. VAT (£36.00 incl. VAT)

    Square White 350gsm Board Peel & Seal Envelopes in size 220mm x 220mm. All board envelopes made from 350gsm card, ideal for items that need pro...

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  • 195 x 195 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131109085273)

    195 x 195 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £28.00 excl. VAT (£33.60 incl. VAT)

    195mm x 195mm Square White 350gsm Board Peel & Seal Envelopes. All board envelopes made from 350gsm card, ideal for protecting items in the pos...

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  • 178 x 241 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131109544025)

    178 x 241 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £27.20 excl. VAT (£32.64 incl. VAT)

    White 350gsm Board Peel & Seal Envelopes - size 178mm x 241mm. Made from 350gsm card, so great for posting documents that need protection. Perf...

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  • 170 x 440 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131108921433)

    170 x 440 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £20.35 excl. VAT (£24.42 incl. VAT)

    170mm x 440mm White 350gsm Board Peel & Seal Envelopes. All board envelopes in 350gsm are ideal for protecting contents in the post such as cal...

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  • 170 x 170 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131108790361)

    170 x 170 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £24.00 excl. VAT (£28.80 incl. VAT)

    Square white 350gsm board peel & seal pocket envelopes in size 170mm x 170mm. All board envelopes made from 350gsm card

  • 164 x 239 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131109642329)

    164 x 239 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £28.80 excl. VAT (£34.56 incl. VAT)

    164 x 239mm White 350gsm Board Peel & Seal Envelopes. All board envelopes made from 350gsm card

  • 164 x 164 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131107217497)

    164 x 164 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £24.00 excl. VAT (£28.80 incl. VAT)

    164mm x 164mm Square White 350gsm Board Peel & Seal Envelopes. All board envelopes in 350gsm card.

  • 152 x 305 White 350gsm Board Peel & Seal Envelopes [Qty 100] (2131110133849)

    152 x 305 White 350gsm Board Peel & Seal Envelopes [Qty 100]

    £17.50 excl. VAT (£21.00 incl. VAT)

    152 x 305mm white 350gsm board peel & seal pocket envelopes. Ideal for calendars. All board 350gsm card.

  • 140 x 140 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131107086425)

    140 x 140 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £18.75 excl. VAT (£22.50 incl. VAT)

    140 x 140 Square White 350gsm Board Peel & Seal Envelopes. Box of 200 envelopes. All board 350gsm card

  • 125 x 125 White 350gsm Board Peel & Seal Envelopes [Qty 200] (2131106922585)

    125 x 125 White 350gsm Board Peel & Seal Envelopes [Qty 200]

    £16.50 excl. VAT (£19.80 incl. VAT)

    125 x 125 Square White 350gsm Board Peel & Seal Envelopes - box contains 200 envelopes.

Protect Important Correspondence with All Colour Envelopes’ Board Backed Products

Choose board backed envelopes to ensure that the contents of your letters arrive at their destination flat, crease-free and with perfect corners. All of the products in this section feature a rigid and robust backing, ideal for keeping important documents and photos safe. A peel and seal closure ensures packing is quick and hassle-free.

We stock our board backed envelopes in numerous colours and sizes, ready to use for whatever purpose you have in mind. For additional security, we also offer envelopes printed with a ‘Please do not bend’ message on the front.

Order board backed envelopes today, and start sending your important deliveries with the protection they need. We offer next day delivery to the UK mainland, and should you wish to try out our excellent products before purchase, we’d be delighted to send you some free samples.