HOW TO REPLACE NON-RENEWABLE PACKAGING MATERIALS? Could we replace non-renewable packaging materials, like expanded polystyrene or bubble wrap, with more sustainable and recyclable materials? Hopefully, because millions tons of plastic waste have entered already in oceans and we should find ways to decrease those numbers. This presentation highlights VTT Technical Research Centre of Finland’s foam forming research and presents one opportunity how to replace fossil-based packaging materials, by using sustainable and recyclable wood fibres.