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278mm x 400mm Recycled Manilla Solid Board Mailers

£0.38 (Including VAT)

SKU: SBMAILERS06 Category: Tags: , , ,
Quantity Price Each
1 - 99 0.3827
100 - 249 0.3636
250 - 999 0.3253
1,000 - 7,499 0.2870
7,500+ 0.2488

This product is made from 100% recycled paper/card. Because of this, the shades of paper/card we receive can differ based on what materials have been recycled and processed during the manufacturing stage. We would highly recommend requesting a sample if you are looking for a specific shade.


Step into a realm of eco-friendly mailing solutions with our 278mm x 400mm Recycled Manilla Solid Board Mailers. Masterfully designed, these mailers bring together unparalleled durability, superior protection, and a clear commitment to preserving our environment.

Key Features:

  • Superior Craftsmanship: Constructed using FSC-certified 400gsm recycled brown board, these mailers embody resilience. They provide a sturdy fortress, ensuring that your contents, regardless of their nature, reach their destination in the pristine condition you intended.
  • Maximised Protection: Experience the pinnacle of mailer security. Be it sensitive documents, delicate photographs, or business contracts; the robust composition of these mailers ensures no harm comes to your items during their journey.
  • Versatile Capacity: With strategically designed capacity creases, these mailers can effortlessly accommodate a range of items. They expand up to 40mm, making them perfect for those slightly bulkier items without the risk of tearing or damage.
  • Secure Yet User-Friendly: Our mailers are fortified with a potent hot melt peel and seal mechanism, ensuring an airtight closure and unmatched security. Conversely, the recipient benefits from a convenient perforated strip, ensuring hassle-free and non-destructive access to the contents within.
  • Environmental Responsibility: By using recycled and fully recyclable materials, and by saying no to plastics, these mailers underline an ongoing commitment to a more sustainable future.

The 278mm x 400mm Recycled Manilla Solid Board Mailers aren’t merely about mailing; they tell a story of quality, functionality, and green choices. Opting for these envelopes means taking a stand for our environment, without compromising on the safety and presentation of your mailed items. Empower your communications with a blend of strength and sustainable choices.

Additional information

Size (mm)

278 x 400

Size (cm)

27.8 x 40.0







FSC Accredited


Plastic Free


Product Colour Variations
Please note; our commitment to sustainability may result in slight variations in colour shades with our products. Due to their nature, colours can vary slightly from batch to batch. The colours you see on screen can depend on your screen colour set up, and also certain computers that have light detection. We strongly suggest to request a sample from us, which is completely free. However, we offer a full 30 day money back guarantee on all of our standard stock products if you are not completely happy. You can find out more here.

Envelope Flap Variations
We take pride in using eco-friendly processes in the manufacture of our envelopes. Please be aware that some envelopes might have slight variations in flap design from the product photos. This is due to our continuous effort to reduce waste and use available resources responsibly. This doesn’t compromise their functionality or quality.

Peel & Seal Designs
Some of the designs on our peel & seal envelopes can vary. This relates to the branding printed on the inside of the envelope (if any) and also the branding on the peel & seal strip. This doesn’t compromise their functionality or quality.