... &hot selling 4.logo can be customized 5.High quality LED Flashing Badge 1.Material: PCB with epoxy, Eco-friendly, harmless ... magnet, safety needle or butterfly button 3.with blinking/flashing led lights inside 4.life shelf: 1-2 years 5.flashing ... , such as magnet, keyring,badge, botton pins etc.. 2012 popular led pin