Retail Boxes with Seaweed Window

We are thrilled to partner with Sway – the leader in seaweed packaging development and innovation – to bring you retail boxes incorporating their seaweed-based film.

Retail boxes with seaweed window
Recycled Content

Recycled Content

Fibers made with 100% recycled content. May also include additives and adhesives.

PCW Content

PCW Content

Made with 85% post-consumer waste that has been diverted from landfills.

Seaweed Film

Seaweed Film

Window is made with compostable seaweed-based film developed by Sway.



Paper fibers do not contain added synthetic polymers. May include synthetic adhesives.

Curbside Recyclable

Curbside Recyclable

Commonly accepted in most curbside recycling programs across the US.

Made in USA

Made in USA

Utilizes local recycled inputs, transparent supply chain, lower transportation footprint.

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  • 100% Recycled Gable Top Retail Box with Seaweed Window

    Gable Top Retail Box with Seaweed Window
    100% Recycled | 5" x 2.5" x 7"

    $0.00 - $106.00
  • 100% Recycled Square Retail Box with Seaweed Window

    Square Retail Box with Seaweed Window
    100% Recycled | 4" x 4" x 4"

    $0.00 - $142.00
Material 100% recycled and unbleached tan bending chip kraft board for the box
Sway seaweed-based film for the window
Recycled Content 100% recycled kraft paper fiber
85% post-consumer waste paper fiber
Thickness 20pt tan bending chip
3 mil seaweed film
Material Features FDA-Compliant for direct food contact. More details in FAQ below.
Functionality Ships flat for easy handling and storage, quick and easy assembly
Available with auto bottom + tuck closure or 1-2-3 snap lock bottom + gable top closure
End-of-Life Curbside recyclable with paper
Naturally biodegradable
Seaweed-based window is screened out during repulping
QR code printed on box links to end-of-life instructions - learn more here
Origin Made in USA
Box Color Kraft
Film Color Clear
Ink Type Black HydroSoy ink
Frequently Asked Questions

Why seaweed as a packaging input?

EcoEnclose has always proceeded cautiously when it comes to biobased alternatives to plastic. We declined to proceed with many commercially available solutions, such as PLA and cellulose. Read our guide - Seaweed as a Packaging Input - to learn more about seaweed, Sway, and why we're so invested in this particular emerging solution.

In summary, by replacing plastic windows in your retail packaging with Sway seaweed film, your brand can propel regenerative packaging innovations essential in building a more circular future.

Here's why we're so excited to bring Sway's seaweed film to our brands:

  • Seaweed's potential to be regenerative: When grown thoughtfully, seaweed can restore ocean health and sequester carbon while requiring minimal freshwater, chemicals, and arable land.
  • Enables our brands to build a future of materials circularity: EcoEnclose's vision is to work with you - our forward-thinking brand community - to accelerate market adoption of the most promising emerging materials.
  • Sway's commitment to scaling seaweed thoughtfully: Sway is committed to doing right by the planet first - working with vetted suppliers, verifying key claims with third parties, and partnering with ocean health-focused NGOs.

What types of seaweed does Sway use?

Sway uses a diverse set of red, green, and brown seaweeds from around the world as the base of their packaging. Seaweed is naturally rich in polymers agar, alginate, and carrageenan, all of which Sway is exploring in their formulations. Sway uses sustainably grown and cultivated, ocean-farmed seaweed except in the case of sargassum — a toxic, invasive species in equatorial areas, that through the Puerto Rico Studio project, Sway is exploring as an underutilized, untapped resource to find value in.

Can I recycle these retail boxes with the seaweed window?

Yes! This box is fully curbside recyclable! You can put it – as is – into your recycling bin, and the seaweed-based window will be screened out during the repulping process. As with all windows, staples, labels, and other common additions to paper packaging, non-paper components are screened out during the paper repulping process and landfilled.

The seaweed-based window is home-compostable, meaning it will break down into a healthy soil amendment. For consumers eager to divert landfill waste and who maintain a home compost system or have access to an industrial compost service that accepts compostable packaging, follow these 3 simple steps: (1) remove the window from the box, (2) throw the window in home or industrial compost, and then (3) curbside recycle the box.

What is the use case for these retail boxes?

These boxes are ideal for packaging small soft goods, household items such as mugs and candles, or foods such as candies, pasta, beans, granola, or nuts that require a minimal shelf life.

How should these retail boxes be stored?

We recommend storage in ambient temperatures and stable relative humidity between 30-80% RH for optimal performance. We do not recommend high-humidity environments. These boxes should also be kept away from water.

Can these retail boxes be refrigerated or placed in the freezer?

These recycled kraft board boxes are not recommended for a refrigerator or freezer. If that’s a potential storage area for your product, we highly recommend ordering a sample or bundle to test before proceeding with a larger order.

What is the shelf life for these retail boxes? What is your refund policy?

Over an extended period, the seaweed film may discolor, warp, or peel away from the box. Since this product uses very new film material, please note how the box holds up over time. If you open a case of these boxes after two months and see an issue, please contact us for a refund.

Are these retail boxes FDA-Compliant?

Case quantities of our gable top retail boxes with seaweed window are FDA-Compliant, meaning the product is compliant with FDA rules and regulations and is created with materials that are FDA-Approved.

Our bundle quantities are re-cased in a non-FDA compliant facility, so please order case quantities if you need food-safe product.