Most of the button badge are made by printed paper wrapped by metal
cover and plastic/metal base with safety pin at back. Or you can choice
direct printing on the metal surface.
Circle size : 20mm, 25mm, 30mm, 32mm, 35mm, 38mm,
40mm, 44mm, 50mm, 55mm, 65mm, 75mm, 80mm, 130mm, 150mm and 62x93mm(oval
Rectangular size : 40x40mm, 50x50mm, 54x76mm.
Attachment : Safety pin, magnet, plastic clip, mirror, bottle opener, keychain.