Mirror Button 2-1/4" 58mm 100sets Parts Supplies for Pro Maker Machine Complete set includes 1 Shell, 1 Mylar, 1 Mirror and 1 Iron Circle. Quality :100 Sets per package Shell Size: 2-1/4" (58mm) Light-Easy to carry and ship saving.All metal parts provide a high quality than other plastic one. NOTE:Our button supply only fits for our button maker, before you buy it please make sure you know that. thanks. Any question, just please contact us.we will try our best to help you.