Selected international designers, illustrators and artists were invited to submit designs for this one inch (25mm) button badge series. Stereohype sells B.I.O. (By Invitation Only) Series 9 badges separately and gives them away as a free surprise badge with selected Stereohype T-shirts. B.I.O. Series 9 includes artworks by Alexander Egger, Astrid Stavro, FL@33, Impactolaser, Jacques Le Bailly, Jeff Knowles, Kapitza, Masashi Kawamura, Mervyn Kurlansky, Pleaseletmedesign (PLMD), Slanted and Vladimir Koncar. Released: November 2010