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Low cost self seal postal packaging – prices checked weekly

Cardboard Envelopes

Our cardboard envelopes are a snug fit design for media items up to 30mm thick. Featuring a special rigidly-protective design, using strong e-flute corrugated recycled cardboard with an easily stackable format for storage. Triple the envelope quantity per pallet and big reductions in product damage vs bubble mailers. 100% recyclable ensures eco friendly credentials and a significant move away from single use plastic in ecommerce packaging.

Recommended for:

  • CD’s, DVD’s, Blu-Ray & More
  • Books, Magazines, Maps & Plenty More
  • Computer Games, Small Electricals & Other Small Items
  • Corporate Reports, Brochures, Documents and photo books
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Cardboard Envelopes FAQs

    • Do you provide different Cardboard Envelopes size and shape options?

      Our cardboard envelopes come in different sizes that are suitable for sending as large letters. Here are the dimensions:

      Lil "A" Envelopes:

      A-CD: 164mm x 180mm
      A1: 235mm x 176mm
      A194: 292mm x 194mm
      A194+: 334mm x 234mm
      A2: 334mm x 234mm
      A3: 352mm x 249mm
      A4: 400mm x 278mm
      A5: 448mm x 328mm

      Lil "M-Spec" Mailers:

      M-C0/3: 150mm x 215mm
      M-CD: 165mm x 180mm
      M-D1/4: 180mm x 265mm
      M-E2/5: 220mm x 265mm
      M-F3/6: 220mm x 340mm
      M2: 237mm x 322mm
      M3: 249mm x 352mm
      M-H5/8: 270mm x 360mm
      M-J6/9: 300mm x 445mm
      M4: 322mm x 384mm
      M-K7/10: 350mm x 470mm


    • What are your Cardboard Envelopes made from?

      Our products are made from corrugated kraft cardboard, which is FSC certified for sustainability.

  • Cardboard Envelopes Packaging Tutorial

    Our Lil Packaging YouTube channel is a hub of valuable information and inspiration for individuals and businesses looking to adopt sustainable packaging practices.

    What you can learn:

    • Step-by-step packaging gudies,
    • Educational Packaging videos
    • Product highlights
    • Expert insights from the business owner Fred Lil
    • Behind the scenes of our eco-friendly manufacturing centre
    • Customer Success Stories

    Viewers can discover the optimal packaging solutions for their business, enabling them to save on costs and time while ensuring minimal environmental impact and reducing their carbon footprint.

    • What are the other features and benefits?

    High-Quality Cardboard: Our cardboard envelopes are crafted from the strongest possible cardboard, ensuring durability during transit while also balancing shipping weight.

    Pre-folded Flaps: The flaps of our envelopes come pre-folded, streamlining the packing process and saving you time.

    Ghost Creases: Each envelope features ghost creases, offering flexibility to ensure your products fit perfectly without being too snug.

    • How durable are your Cardboard Envelopes compared to traditional postal options?

    Our cardboard envelopes are highly durable compared to traditional postal options. Our A Range is crafted from rigid solid board cardboard, ensuring stiff and robust protection. Meanwhile, our "M" range utilizes corrugated cardboard for added strength. Compared to poly mailers and jiffy bags, our envelopes offer superior protection for your items during shipping.

    • Does your e-commerce packaging meet any eco-certifications?

      All our ecommerce packaging if FSC and plastic free certified. We became the world's first (and still only) Zero Carbon packaging operation in February 2022. For every order we make a donation for a tree to be planted on your behalf.

    • How can I seal the Cardboard Envelopes?

    To seal our Cardboard Envelopes, we offer a convenient peel and seal / tear-strip system. This feature ensures easy sealing and opening, allowing you to save time and money by packing faster without the need for tape.

  • Branded Cardboard Envelopes

    Trusted by Global Retailers!

    we're proud to partner with the biggest internet retailers worldwide, offering them custom printed packaging solutions that reflect their brand values and eco-conscious commitments.

    2024 Custom Packaging Trends

    1. Make opening your product exciting, boosting customer loyalty.

    2. Shows what your brand stands for and connect with customers.

    3. Encourage customers to post about their unboxing experience on social media.

    4. Clever packaging can cross-sell other products or extras.

    5. QR codes on custom packaging can gather customer feedback.

    • What postage tariff does this product fit?

      Our cardboard envelopes fall under the large letter postal tariff, making them letterbox-friendly and cost-effective for shipping

    • What Items would you recommend to ship in your Cardboard Envelopes?

    Our envelopes are suitable for CDs, DVDs, books, magazines, maps, computer games, small electronics, corporate reports, brochures, documents, photos, calendars, posters, and art prints. This list isn't exhaustive, but it gives you a good idea of what our envelopes can accommodate. If you have other items you're unsure about, feel free to reach out for guidance.

    • Does your e-commerce packaging help in reducing shipping costs?

    Our smart packaging designs lower returns rates and product breakages. They help increase packing efficiency with self-sealing features, plus our packaging is tailored to postal tariffs' size and weight dimensions, saving you money on postage costs.

    • Do you offer samples?

    Samples can be purchased online. We also provide ecommerce packaging in various pack and pallet sizes to cater to the requirements of businesses of all sizes, from small-scale online sellers to large global internet retailers.

    • Do you offer customised Cardboard Envelopes?

    Yes, we offer customised printed packaging with a minimum order quantity (MOQ) of 5000. Our dedicated packaging experts are available to assist you and your brand.

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