Overview
Blue Ocean Closures (BOC) is a Swedish sustainability-focused technology startup founded in 2021, headquartered in Karlstad with a production facility in Säffle. The company specializes in developing and manufacturing innovative fiber-based closures and caps that eliminate plastic from packaging while maintaining functionality and performance.
With a clear mission to reduce global plastic waste and carbon footprints, Blue Ocean Closures offers an alternative to traditional plastic caps and closures using sustainably sourced cellulose fibers from forest-certified sources.
Technology & Materials
Proprietary Sintering Technology: Blue Ocean Closures uses a patented vacuum press forming technology to sinter cellulose fibers together in a dry format. This innovation creates:
- Plastic-free closure solutions
- Paper-recyclable products (standard composting streams)
- Ocean-biodegradable materials
- Performance equivalent to plastic alternatives
Feedstock: Cellulose fibers sourced from sustainably managed forests (FSC-certified sources), the same material composition found in paper products.
Product Portfolio
Standard 38mm Fiber Caps: Designed to replace plastic closures in supplement jars, nutrition products, and personal care containers. Suitable for dry content applications including powders, nutraceuticals, and food ingredients.
Custom Fiber Closures: Tailored solutions for specific packaging applications, including bottle caps for alcoholic beverages and other consumer products.
Market Applications
- Food & Beverage: Supplement jars, nutraceutical containers, dry food packaging, spirits bottle closures
- Personal Care: Powder-based cosmetics and health products
- Industrial Packaging: Dry content containers in various sectors
Strategic Partnerships
- The Absolut Company: Collaborated to develop FSC fiber-based closures with integrated seal barriers for Absolut Vodka bottles, combining sustainability with product performance
- Great Earth: Full commercial rollout of fiber-based screw caps for supplement jars, representing one of the first large-scale implementations of molded fiber closures in the health and wellness sector
Sustainability Impact
Blue Ocean Closures’ solutions deliver:
- Complete plastic elimination from closures
- Significant carbon footprint reduction compared to plastic alternatives
- Recyclability as standard paper waste
- Ocean biodegradability for products lost in marine environments
Last updated: February 27, 2026