For the production of raw fiber, trees from natural forests and sustainably managed plantations are used that are certified and controlled according to strict guidelines. Currently, the trees used come from Austria, Croatia, the Czech Republic, Estonia, France, Germany, Hungary, Latvia, Poland, Slovenia, Slovakia, South Africa, Sweden, Switzerland and the USA. The material we use comes from the company Lenzing AG from Austria. All of the company's production sites are FSC CoC (chain of custody) certified.