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 19 badges separately and as part of themed / artist gift boxes. We also give button badges away as free extra treats with each order. B.I.O. Series 19 includes artworks by Babette Wagenvoort, Ciarán Meister, David Petzold, Émilie Chabridon, Tomi Vollauschek / FL@33, John Dowling, Lea Wülferth, Matt Jones, Nicola Hockley, Stewy and Struktur Design. Released: November 2019