The standard badge fastener, is the pin.
BADGE FASTENER OPTIONS
Bulldog Clip $1.00 dditional
Magnet $1.50 Additional
Strap Lanyard $1.50 Additional
Magnets May Pose a Serious Health Risk for people with Pacemakers and ICDs.
Magnets may interfere with the operation of Pacemakers and Implantable Cardioverter Defibrillators, according to a study published in the December 2006 Edition of Heart Rhythm and other published Medical Journals.