Sway
From sea to soil: seaweed-based compostable packaging
- Headquarters
- Greensboro, North Carolina
- Founded
- 2017
- Business Model
- B2B
- Website
- swaythefuture.com
- Total Funding
- $7.5M
- Last Round
- $5.0M SeedJan 2024
About
Sway is a California-based material science startup that harnesses the natural polymers found in seaweed to create home-compostable replacements for single-use plastic packaging. Named TIME Best Invention of 2025, Sway's patented TPSea™ products mimic the compelling qualities of plastic while being fully biodegradable. The company embodies circular economy principles: design out waste, keep materials in use, and regenerate natural systems. Sway is scaling seaweed-based polybags and retail bags available through major packaging distributors.
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