This 4mm mini ear plug set features two Batman logo ear plugs. Fashioned from stainless steel, they have an 8mm logo to create the illusion of a 0 gauge plug. Showcase Gotham City's own superhero with Batman logo faux plugs with screw fit backs for easy insertion. Yellow with black bat logo steel superhero screw fit ear plugs are sold as a pair of two (2). Batman is from DC Comics jewelry. Licensed cartoon ear plugs.