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Collection: Board Envelopes

Extra protection for items that need to arrive flat. Board envelopes combine the postal format of an envelope with the rigidity of corrugated or rigid board backing, keeping contents protected throughout transit. Available in white, brown, and coloured formats across standard and large-letter sizes.

Browse related: Board Back Envelopes | Rigid Board Mailers | C4 Envelopes | C5 Envelopes

15 products

Black Board Back Envelopes - Grey C4 - 324 x 229mm

Black Board Back Envelopes

Regular price From £0.33
Sale price Regular price
Black Board Envelopes - 235 x 162mm
Eco Product

Black Board Envelopes

Regular price From £0.72
Sale price Regular price
Blue Board Envelopes - C3 - 457 x 330mm
Eco Product

Blue Board Envelopes

Regular price From £0.72
Sale price Regular price
Gold Board Envelopes - 235 x 162mm
Eco Product

Gold Board Envelopes

Regular price From £0.82
Sale price Regular price
Green Board Envelopes - 235 x 162mm
Eco Product

Green Board Envelopes

Regular price From £0.72
Sale price Regular price
Manila Board Back Envelopes - Yes Without Window 190 x 140mm

Manila Board Back Envelopes

Regular price
Sale price From £0.14 Regular price £0.16
Manila Economy Board Back Envelopes - C5 - 229 x 162mm

Manila Economy Board Back Envelopes

Regular price From £0.16
Sale price Regular price
Manila Rigid Board Mailers - Normal
Eco Product

Manila Rigid Board Mailers

Regular price From £0.17
Sale price Regular price
Manila Rigid Corrugated Board Mailers - No Square - 180 x 180mm
Eco Product

Manila Rigid Corrugated Board Mailers

Regular price From £0.34
Sale price Regular price
Navy Blue Board Back Envelopes - C5 - 229 x 162mm

Navy Blue Board Back Envelopes

Regular price From £0.44
Sale price Regular price
Red Board Envelopes - 235 x 162mm
Eco Product

Red Board Envelopes

Regular price From £0.72
Sale price Regular price
Silver Board Envelopes - 235 x 162mm
Eco Product

Silver Board Envelopes

Regular price From £0.79
Sale price Regular price
Load video: White White All Board Envelopes

White All Board Envelopes

Regular price From £0.21
Sale price Regular price
White Board Back Envelopes - Yes With Window C4 - 324 x 229mm
Eco Product

White Board Back Envelopes

Regular price From £0.14
Sale price Regular price
White Board Back Envelopes (White Board) - C4 - 324 x 229mm

White Board Back Envelopes (White Board)

Regular price From £0.23
Sale price Regular price

More About "Board Envelopes"

Board envelopes — also called all-board or rigid board envelopes — are constructed from board throughout rather than standard paper. This gives a significantly higher level of stiffness than board-back envelopes, making them the choice for contents that cannot flex at all: high-value prints, framed artwork, thick documents, rigid inserts and items where even minor board flex would cause damage.

Board weight typically runs to 350–600gsm depending on the variant. The range covers over 15 products across over 70 sizes. All board envelopes are peel & seal for fast, reliable dispatch.

Board Envelopes vs Board-Back Envelopes

  • Board-back envelopes — rigid card backing on the rear panel only; front face is standard paper. Suitable for most photographs, certificates and flat documents.
  • All-board envelopes — board construction throughout; maximum rigidity for high-value prints, artwork and rigid inserts where the slightest flex is unacceptable.

Benefits of Board Envelopes

  • Maximum rigidity — all-board construction prevents any flex or bend throughout transit.
  • 350–600gsm board — substantial construction that protects high-value contents.
  • Peel & seal — permanent adhesive strip for fast, reliable closure.
  • Size range — over 70 sizes to match your specific application.
  • Do Not Bend suitability — the preferred format for artwork, prints and items requiring strict flat delivery.

Frequently Asked Questions

What is the difference between board envelopes and board-back envelopes?
Board-back envelopes have a rigid card lining on the rear panel only — the front is standard envelope paper. All-board (board) envelopes are constructed from board throughout and offer maximum stiffness. For most photograph and document applications, board-back is sufficient. All-board envelopes are used where the very highest rigidity is required, such as for high-value artwork, architectural drawings or thick rigid inserts.

What board weight are board envelopes?
Board envelope weight varies by product — typically 350gsm to 600gsm. Higher board weights provide greater rigidity and crush resistance. Check individual product listings for the specific board weight if this is a purchase requirement.

Are board envelopes Royal Mail compatible?
Yes — board envelopes are posted as standard items. The board construction adds weight, so most packed board envelopes will fall into small parcel rather than large letter. Always weigh the packed item before assigning a postage rate.

Customer Feedback

What Our Customers Say

See why we’re trusted as by thousands of UK businesses for packaging and envelopes through our customer reviews.

Black and white photo of a person with long hair against a plain background

Envelope Printing Customer

Branded envelopes that felt event-ready

We needed branded envelopes for a client event and they looked exactly right. The team were helpful from start to finish and made sure everything moved quickly so we could meet our deadline. A really smooth experience for printed envelopes.

Woman with long brown hair wearing a beige top against a plain background

Envelope Customer

Quick fix after an order issue

My order arrived with a problem, but after I emailed the team I received a quick response and the issue was sorted straight away. It was handled professionally and made me feel confident about ordering again.

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First Time Customer

Fast support when delivery went wrong

There was an issue with the courier delivering to my address, but the team dealt with it quickly and kept things moving. A replacement was arranged and the previous order was refunded without any fuss. It gave me a good first impression and I would order again.

Woman wearing a yellow sweater with a plain background

Wholesale+ Member

Reliable support for regular orders

The courier caused a problem, but Jess and Kelly were quick to help and did everything they could to sort it. They also looked at the products I order regularly and helped make future orders easier. Good value, good quality and service that feels genuinely useful.

Woman with gray hair wearing a blue top against a light gray background

Envelope Printing Customer

Easy custom printed envelope order

Ordering custom printed envelopes was straightforward from the start. James answered my questions clearly, the order arrived when expected and the finished envelopes were great quality. I would be happy to use the service again.

Man wearing a light gray sweater over a collared shirt on a plain background

Wholesale+ Member

Helpful and easy to deal with

A very straightforward company to buy from. The team were helpful, clear with communication and easy to deal with, which makes a big difference when ordering packaging regularly.

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Sample Customer

Helpful advice before ordering

The team helped point me towards the right product before I placed my order. It made the decision much easier and gave me confidence that I was choosing the right packaging for what I needed.

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Packaging Customer

Useful support for flat pack cartons

Useful support for flat pack cartons