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 7 badges separately and gives them away as a free surprise badge with selected Stereohype T-shirts. B.I.O. Series 7 includes artworks by Stewart Greenway / AKA Bill Posters, Alexander Egger, Costa del Sol Lewitt, FL@33, Gareth Bayliss, Hello Nekko, Juju's Delivery, Olivier Bienaimé / Les 84, Jeff Bowman / Mr Bowlegs, Musa, Riitta Ikonen, Rod Hunt, Carsten Raffel / United States Of The Arts (USOTA), Zeptonn. Released: November 2008