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KO-SI is a Slovenian company with a long tradition of processing natural fibres into high-quality technological products.

KO-SI produces padding components and filling components for mattresses and upholstered furniture, horticultural products, biodegradable packaging solutions, bio-insulation, compostable air filters, shoe insole pads, and other fibre-based products. All products meet the highest quality standards and provide a higher level of usability to satisfy even the most demanding customers.

The ability to develop top-quality and eco-friendly products through continuous technological optimization and introducing new raw materials allowed the company to become one of the leading manufacturers of natural fibre products in Europe.

The ecological orientation of KO-SI reflects in the final products. The company uses only the best natural fibres of plant and animal origin offered by nature. Strategic materials include coir, sisal, seagrass, hemp, lyocell, sheep wool, horsehair, cashmere, and camel hair.

Premium-quality raw materials from renowned suppliers who share the same values and constant development of technology and processes allow for quality, organic, and sustainable products appropriate for use in the imminent human environment.

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