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 21 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 21 includes artworks by Adam Pointer, Andy Altmann, Ben Herskowitz, cut shape make / Gary Prendergast, Dominic Davies, Donya Maghsoudlou, Agathe Jacquillat and Tomi Vollauschek / FL@33, Maxim Morozov, MuirMcNeil /  Paul McNeil / Hamish Muir , Roy Burns III, Simon Larbalestier and Studio Pensom / Paul Pensom. Released: November 2021 / Please feel free to add a complimentary button badge of your choice to your next £5+ order using this add-on checkout voucher code: FreeBadgeOfChoice