Spiber Inc. is a bio-venture company based in Tsuruoka City, Yamagata Prefecture, focused on creating innovative solutions for sustainable well-being and environmental challenges. Their core product is Brewed Protein™ fiber, a new category of material driving a global transformation towards a circular economy in the fashion and textile industries. Spiber collaborates with designers and creators to maximize the value of their protein materials, serving industries seeking sustainable alternatives.