Asc365 100sets Rubber Magnetic 2-1/4" 58mm Button Maker Parts HOT Sale!!! 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. Complete set includes 1 Shell, 1 Mylar and 1 Pin back. 100 Sets per package. Shell Size: 2-1/4" (58mm);Mylar Size:70mm Light-Easy to carry and ship saving. All metal parts provide a high quality than other plastic one.