Next-generation materials made with seaweed

Sway is scaling a broad range of compostable, seaweed-based packaging solutions to replace the most hard-to-recycle, single-use plastics — and we're just getting started.

Sway Die Cut Handle Bag_Product Page

Retail Bags

Shopping bags ready to make waves in retail, markets, events, and beyond.

Sway Polybag_Mirror

Polybags

Shipping bags that protect products from production to doorstep.

Thermoplastic-Seaweed-Film

TPSea Flex™

Versatile flexible film, built for impact and scale.

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Seaweed Windows

A window into the future of circular seaweed packaging.

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TPSea™

100% renewable thermoplastic seaweed pellets, designed to replace plastics.

Sway Material Co-Development

Custom Formats

What can we innovate together?

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Why Sway?

Our team is broadening the material landscape by providing dynamic, durable alternatives where paper and reuse solutions can’t perform and mainstream compostables deplete.

With seaweed as a key ingredient, every Sway package supports ocean health and coastal communities in the process. As our compostable materials scale, so do the regenerative benefits inherent to seaweed.

Used by thought leaders shaping a circular future

Sway Ales Grey Long

Ales Grey

Alex Crane-Case Study Preview

Alex Crane

Sway Burton Seaweed Packaging Preview

Burton

John Florence Marine X Sway

Florence

Sway Noah Collab

Noah

Sway TCHO Chocolate Box

TCHO

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Le Club

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Graf Lantz

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