Manokit Badge Base by MirandaRichardson on DeviantArt
Badge Base - Pin Badges, Button Badges, Patches & much more
Wickerbeast tripack base - Kokytea linearts
F2U Base - OZA Badge Template by KandiFolf on DeviantArt
Amazon.com: 200 Sets of 58mm(2.25 in) Blank Badge Button Parts for Badge & Button Making Machine, Metal Shells & Base and Clear Mylar, 200 pcs 58mm(2.25 in) Paper for Badge Making