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100% recyclable

Fast delivery

Digital printing

Floating 3D render of three paper mailer bags.
Floating 3D render of three paper mailer bags.
Floating 3D render of three paper mailer bags.
Floating 3D render of three paper mailer bags.

Kraft Expandable Paper Mailer Bag

Minimum order quantity: 5000

Experience sustainable packaging with our FSC-certified kraft paper, mailer bags. The perfect packaging for non-fragile items like clothing. Expandable gussets allow you to easily pack and ship more volume or bundle items together. A double peel & seal makes fulfilment lightning fast and returns effortless. Customise online and after use, recycle at the roadside.

  • Digital printing
  • Full colour
  • Made for e-Commerce
  • Delivered in 2-3 weeks
  • 6 sizes

Have questions? Contact us

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What is a Kraft Paper mailer bag?

A Kraft Paper Mailer Bag is a cost-effective and sustainable alternative to traditional poly-mailer bags. Crafted from durable, high strength kraft paper, these mailer bags are designed to protect their contents throughout the shipping and handling process.

Derived from renewable resources, Kraft Paper Mailer Bags are not only roadside recyclable but also a sustainable choice for businesses. They offer an effective solution for those aiming to minimise their environmental footprint.

Benefits of Sourceful's Kraft Paper Mailer Bags

Quality Printing: You can print on both sides of the bag, making it a great option for branding and marketing.

Sustainability: Consumers are now paying more attention to environmental issues. These bags are made from FSC-certified kraft paper, making them 100% recyclable and kerbside recyclable. This is a great choice for businesses looking to reduce their environmental impact, and align their brand with consumer values.

Expandable: The bags have expandable side and bottom gussets, allowing for better product fill and the ability to pack larger items or bundle items together.

Easy returns: The bags feature a double peel and seal, making fulfilment fast and returns easy for customers.

Carbon footprint

See how the carbon footprint of our paper mailer bag compares to a benchmark product.
How is this calculated?

Carbon footprint comparison between a Sourceful paper mailer bag and a benchmark product.

Specification

Understand your entire supply chain

Node map of a paper mailer bag's carbon footprint.
Carbon footprint breakdown of a paper mailer bag.
Materials
Emissions from a paper mailer bag's materials. 59% of the total carbon footprint.
  1. Bk

    Brown kraft paper

    FSC-certified, unbleached and uncoated kraft paper made with materials from FSC-certified forests, recycled materials, and FSC controlled wood.
  2. Wd

    Water-based dye inks

    Made with water as their primary base, these inks are more sustainable than solvent-based inks.
  3. 110

    110gsm

    A premium weight that will protect against dirt, scratches, light rain and spillages.
  4. 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.
  5. Rt

    Ripper tape

    A perforated strip that makes opening easy for customers.
  6. G

    Gussets

    Expandable gussets increase volume and make packing larger items easy. Ideal for e-commerce.

Supply chain

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.

Look for our FSC® certified products.

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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