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
  • Water-based inks
  • FSC certified
  • 100% recyclable

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Key features

Specification

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.

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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