100% recyclable

Fully customisable

FSC certified

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Paper Mailer Bag

Paper mailer bags are a lightweight option for sending soft, non-fragile products. They're also flexible, splashproof and 100% recyclable, making them a more sustainable alternative to plastic mailer bags. An optional double peel & seal ensures hassle-free returns.

  • Custom printing
  • Splashproof finish
  • Water-based inks
  • FSC certified
  • 100% recyclable

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Key features

Specification

  1. Materials

    1. Bk

      Brown kraft paper

      FSC certified, unbleached and uncoated kraft paper made from virgin pulp. Brown kraft paper is the most sustainable material for these paper mailer bags.
    2. Sp

      Single peel & seal

      One strip of adhesive covered with a fibre-based backing paper. A single peel & seal makes fulfilment fast and helps make your packaging tamper-proof. Adding a peel & seal has minimal impact on your carbon footprint.
    3. Dp

      Double peel & seal

      Two strips of adhesive covered with fibre-based backing paper. A double peel & seal makes fulfilment fast and returns easy for your customers. Adding a peel & seal has minimal impact on your carbon footprint.
    4. Ts

      Tear strip

      A perforated strip that makes opening easy for your customers. Available for paper mailer bags with a double peel & seal.
    5. Sc

      Splashproof coating

      An aqueous coating that protects paper mailer bags from rain and spillages. Adding a splashproof coating doesn't affect recyclability.
    6. Wb

      Water-based inks

      Made with water as their primary base, these inks are designed for flexographic printing. More sustainable than solvent-based inks.
  2. Production

    1. 9p

      90gsm paper

      90gsm paper is durable enough for both national and international shipping.
    2. Bg

      Bottom gusset

      A bottom gusset allows a mailer bag to be stored flat and then expand to accommodate a variety of products.
    3. Fp

      Flexographic printing

      Flexographic printing is the most cost-effective printing process for high volumes. It's ideal for printing straightforward designs such as logos or simpler graphics and text, but some finer details can lose resolution in print.
    4. 1p

      1 colour printing

      1 colour printing is the most cost-effective option. Pantone colours ensure consistency for your branding.
    5. 2p

      2 colour printing

      2 colour printing allows for bold, high contrast designs. Pantone colours ensure consistency for your branding.
    6. 3c

      3 colour printing

      3 colour printing allows for bold, high contrast designs. Pantone colours ensure consistency for your branding.
    7. 4c

      4 colour printing

      4 colour printing offers the most flexibility for printing on a paper mailer bag. Pantone colours ensure consistency for your branding.
  3. Secondary packaging

    1. Cb

      Carton boxes

      Paper mailer bags are packed in cardboard carton boxes and stacked onto a pallet. This protects them in transit and allows for more efficient packing, reducing costs and emissions.
  4. Transport

    1. D

      Domestic

      All domestic transit (UK) is handled by road. Products produced domestically are typically dispatched and delivered 24-48 hours after production is complete.
  5. End of life

    1. Rr

      Roadside recyclable

      Sourceful paper mailer bags are widely recycled at the roadside, but end-users should always check with their local authority.

Supply chain assurance

A resilient, responsible supply chain

Certifications

We validate all supplier claims and third-party certifications such as ISO, BRC and FSC. And we ensure suppliers adhere to UK and EU laws on chemicals and product components, like UK REACH. This allows businesses to confidently buy high-quality products that align with a net-zero trajectory.

All Sourceful paper mailer bags are FSC certified.

Vetted suppliers

We vet every supplier we work with. We do this through site visits and rigorous product testing.

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Quality control

Every lot from our suppliers undergoes a quality inspection process before it’s shipped. Any lot that fails quality inspection is returned to the manufacturer or reproduced.

For orders manufactured internationally (outside the UK), we follow the Acceptable Quality Limit (AQL) method defined by ISO 2859 - 1.

For orders manufactured domestically (inside the UK), our suppliers perform the quality inspection process which we then verify through spot checks throughout the year.

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