SpotlightJewels Chicago Football Jersey Pin back Button Necklace Personalized with Your Name and Number 1 inch round Chicago football jersey pendant with any name and number 18 inch rubber cord with lobster claw clasp Pendant is made out of pin back button with a plastic pendant attachment Beads materials are ceramic, metal, plastic and rubber Higher quality Glass Dome version of this necklace is also available. Please visit our Amazon store to find the Glass Dome version.