50 x C3 Board Backed Envelope – 457mm x 324mm

£31.00

457mm x 324mm – C3 Board Backed Envelope (Box of 50)

1+ £31.00 | 5+ £28.52 | 10+ £26.49 | 56+ £24.00

SKU: BBEC3 Categories: ,
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ImageSKUNameBundle Quantity1 +5 +10 +Buy
BBEC4125 x C4 Board Backed Envelope - 324mm x 229mm125£14.66£13.82£12.99
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BBEC350 x C3 Board Backed Envelope - 457mm x 324mm125£31.00£28.52£26.49
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BBEC5125 x C5 Board Backed Envelope - 229mm x 162mm125£8.50£8.02£7.53
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BBEC6250 x C6 Board Backed Envelope1 - 162mm x 114mm250£15.02£14.16£13.30
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Description

50 x C3 Board Backed Envelope – 457mm x 324mm – Strong Protection for Important Documents

Keep your certificates, legal documents, photographs, and artwork safe with our C3 board backed envelopes. The hard-wearing Manilla Kraft exterior (120gsm) and rigid grey board backing (550gsm) prevent bending and creasing during transit.

Clear “Please Do Not Bend” Instructions

Each  Board Backed Envelope displays a bold red “Please Do Not Bend” message on the front. This ensures postal handlers know to treat your items with care. By using these envelopes, you reduce the risk of damage and maintain a professional presentation.

Easy and Secure Mailing

Preparing these envelopes is simple. First, place your contents inside. Then, remove the peel strip and seal. The hot melt peel & seal strip locks the envelope securely, preventing tampering. You can also write directly on the envelope or attach address labels.

Ideal for Business and Personal Use

These envelopes are perfect for sending:

  • Certificates and qualifications

  • Legal documents and contracts

  • Photographs and artwork

  • Marketing materials and brochures

  • Official letters and correspondence

Eco-Friendly and Durable

Made from a high percentage of recycled materials, our envelopes are eco-friendly and fully recyclable. They provide strong, reliable protection while supporting sustainable packaging.

Key Features

  • Bold “Please Do Not Bend” printing for added protection

  • Rigid 550gsm board backing for strength

  • Peel & seal closure for fast, secure mailing

  • Professional finish for office, business, or personal use

  • Eco-friendly and recyclable

With these C3 board backed envelopes, you can send documents confidently, knowing they will arrive flat, secure, and in perfect condition.

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