“Celium” is a project developed by Polybion, an innovative company researching growing premium, next-generation materials designed with nature and manufactured with biology. The company’s mission is to bring performance and possibility to 21st Century designers and material engineers. Polybion uses waste as a raw material, and designs, produces, and finishes its bioassembled products under the same roof to increase sustainability and drive the circular economy. Polybion’s first product, Celium®, is a bacterial cellulose-based, high-performance leather substitute.