Classic Gaming Earrings. The earring hooks are stainless steel and silver plated and are lead and nickel free. Very popular among people who attend gaming conventions, and play a variety of classic and modern video games. this listing Features, controllers & Pacman characters. We have a few options, including mario inspired, pac-man and controllers. Materials Used: The earring hooks are stainless steel and silver plated and are lead and nickel free. The styles may be slightly different (additional characters coming soon). Charms are a metal soft/hard enamel or a 3d resin design (in the case of food charms)