Top 9 Board Envelopes A4 UK – Envelopes

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1. Triplast

Triplast 324 x 229 mm A4 C4 Manilla Hard Board Backed Envelopes Pack of 10

Triplast - Triplast branded, self sealing peel and seal strip. Model number: A4 C4. Manilla brown colour, solid back 115 microns thick. A4 / c4 size 324 x 229 mm + Lip to seal.
BrandTriplast
ManufacturerTriplast
Height0.2 cm (0.08 Inches)
Length22.9 cm (9.02 Inches)
Weight0.06 kg (0.12 Pounds)
Width32.4 cm (12.76 Inches)
Part NumberA4 C4
ModelA4 C4

2. ARPAN

Arpan 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Pack of 50

ARPAN - Can apply sticky labels to write an address if required, Quick and Easy packaging. Lightweight - Saves your money by reducing postage cost. Gives a professional finish to your parcel. High quality strong self Seal adhesive strip 10mm wide, gives an extra security. 100% environment friendly as they made from recycled materials.
BrandARPAN
ManufacturerARPAN
Part NumberPM-C4-PK50
ModelPM-C4-PK50

3. iSOUL

20Pcs A4 Envelopes iSOUL 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Do Not Bend Envelope Pack of 20

iSOUL - In the front lower left-hand corner, it is Pre-printed with Words “Do Not Bend” which ensures to keep the document safe and flat. Multi purpose: our large letter a4 posting envelopes are great for mailing holiday cards, greeting cards, photos, dinner money, announcements, letters, pay slips, wage slips, invitations, business office home and personal use.

Environment friendly as they made from recycled materials. These are ideal for both professional and personal use. Be free from the further mess of Gum or any other adhesive since no moisture is needed. Lightweight and cost-effective: lightweight construction ensures the shipping cost stay cost-effective. Peal & seal: simply remove the strip and press the flap down to seal. Includes: 20 x a4 c4 324mm x 229mm manilla Hard Board Backed Envelopes Do Not Bend Envelope.
BrandiSOUL
ManufactureriSOUL
Part NumberIS-2020-ENVELOPES

4. Packaging2Buy

So Ideal For Mailing Artwork & CVs etc. Recyclable, Board Backed Envelopes A4, 235 x 328mm. 125 Pack. Rigid Cardboard Back & "Please Do Not Bend" Printed On Front Of Thick Strong Manilla. Secure Peel & Seal Closure. Prevents Creasing & Keeps Documents Flat

Packaging2Buy - Money-saving choice – cardboard backed envelopes are the cheaper alternative to all-board envelopes yet offer the the same efficiency for posting or storage.

Sturdy covering that won’t rip or tear – With a clear red printed message, our please do not bend envelopes are made of thick paper backed by stiff board. Invaluable for offices, schools and retail – Posters, CVs, printed graphics and certificates can be mailed or stored safely in our A4 board backed envelopes. Environmentally friendly twice over – Our hard backed envelopes are made from recycled materials and are therefore recyclable themselves. Convenient packaging solution – No need to bother with extra tape or glue thanks to the secure self-adhesive feature on our stiff envelopes.
BrandPackaging2Buy
ManufacturerPackaging2Buy
Height0 cm (0 Inches)
Length32.8 cm (12.91 Inches)
Weight7 kg (15.43 Pounds)
Width23.5 cm (9.25 Inches)
Part NumberHBE-A4
ModelHBE-A4

5. Right Pack

125PCS 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Please Do Not Bend Right Pack Box Pack of 125

Right Pack - In the front lower left-hand corner, it is pre-printed with Words “Please Do Not Bend” which ensures to keep the document safe and flat. Applications - our large letter a4 posting envelopes are great for mailing holiday cards, invitations, greeting cards, wage slips, dinner money, pay slips, announcements, photos, letters, business office home and personal use.

Envelopes don't need to be expensive! save yourself the need to spend money on overpriced products and buy our great premium envelopes! Strong material - lightweight construction ensures the shipping cost stay cost-effective. Be free from the further mess of Gum or any other adhesive since no moisture is needed. Right pack: 125 x 324mm x 229mm a4 c4 manilla hard board backed envelopes please do not bend right pack pack of 20 Longevity - our envelopes are made to last a long time! due to their hard cardboard back they wont bend when stored for a long time, they also wont change colour and the sticky adhesive strip will remain sticky! Huge savings - save big with our premium hard cardboard back envelopes! With Right Pack you are able to receive premium quality envelopes for a budget price! Spare yourself the premium of overpriced brands and go with our premium envelopes for a budget price! Peal & seal simply remove the strip and press the flap down to seal.

These are ideal for both professional and personal use.
BrandRight Pack
ManufacturerRight Pack
Part NumberDNB-C4124

6. H-LINE

125 x A4 C4 Hard Card Board Back Backed Please Do Not Bend Envelopes Manilla Brown

H-LINE - Manilla Brown. Please note all measurements are approximate. Photo is for illustrative purposes. A4 / c4 size: 324 x 229mm. 125 x hard board Back Envelopes.
BrandH-LINE
ManufacturerH-LINE

7. OfficeGear

OfficeGear Cardboard Expanding Envelope Capacity Book Mailers 100 Pack Premium A4 Size 234 x 334mm Recyclable Expandable Solid Board Envelopes with Adhesive Strip, Made from 100% Recycled Materials

OfficeGear - 100% recycled and recyclable - eco friendly packaging made from recycled cartons. Quick seal & open - easy peal and seal adhesive strip, plus a rip tab to make it easy to open the package at the other end. Expandable size - each card board envelope is scored to easily expand to up to 40mm capacity, like a small box - Size when flat 234 x 334 mm Size when loaded -194 x 294 x 40 mm. 100 quality envelopes - 400gsm hardboard mailers protect contents such as documents, brochures, photos, books and DVDs.
BrandOfficeGear
ManufacturerLombardi Smith
Height34.5 cm (13.58 Inches)
Length29.5 cm (11.61 Inches)
Weight7.2
Width17.5 cm (6.89 Inches)
Part NumberStdMail234x334

8. Printaline

10 Board Backed Envelope A4 / C4 Size 9"x12" Hard Back

Printaline - 10 board backed envelope a4 / c4 size 9"x12" hard back. The handling instruction, photos, transparencies, PLEASE DO NOT BEND is printed in red on every envelope. The envelopes are ideal for posting fragile documents, certificates. Fast and secure: self-sealing adhesive strip. Other qty's and sizes in our storefront. Self-sealing flaps provide a secure and reliable seal.
BrandPrintaline
ManufacturerPrintaline
Part Number2607475

9. Right Pack

20PCS 324mm x 229mm A4 C4 Manilla Hard Board Backed Envelopes Please Do Not Bend Right Pack Pack of 20

Right Pack - In the front lower left-hand corner, it is pre-printed with Words “Please Do Not Bend” which ensures to keep the document safe and flat. Be free from the further mess of Gum or any other adhesive since no moisture is needed. Applications - our large letter a4 posting envelopes are great for mailing holiday cards, dinner money, photos, announcements, invitations, greeting cards, pay slips, wage slips, letters, business office home and personal use.

Longevity - our envelopes are made to last a long time! due to their hard cardboard back they wont bend when stored for a long time, they also wont change colour and the sticky adhesive strip will remain sticky! Huge savings - save big with our premium hard cardboard back envelopes! With Right Pack you are able to receive premium quality envelopes for a budget price! Spare yourself the premium of overpriced brands and go with our premium envelopes for a budget price! Envelopes don't need to be expensive! save yourself the need to spend money on overpriced products and buy our great premium envelopes! Strong material - lightweight construction ensures the shipping cost stay cost-effective.

Peal & seal simply remove the strip and press the flap down to seal. These are ideal for both professional and personal use. Right pack: 20 x 324mm x 229mm a4 c4 manilla hard board backed envelopes please do not bend right pack pack of 20 .
BrandRight Pack
ManufacturerRight Pack
Part NumberDNB-C420