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 10 badges separately and gives them away as a free surprise badge with selected Stereohype T-shirts. B.I.O. Series 10 includes artworks by Al Heighton, Catherine Dixon, Cristina Guitian, FL@33, Gregori Saavedra, Lawrence Zeegen, Nazario Graziano, Stefan G. Bucher, Strange Attractors Design, Tamar Moshkovitz, Thom Lambert and Unfolded. Released: September 2011