GASTROMAX butter knife 'BIO' 22 cm renewable material with up to 80% reduced CO² footprint made from bioplastic: 98% bio-based composite 58-63% bio-PE from sugar cane ethanol 35-40% wood fibers from local spruce cultivation 2% property-enhancing additives combines the natural wood look with the functional advantages of plastic recyclable dishwasher safe food safe, butter knife 'BIO' 22 cm