Silver Buffalo DC031SG1 DC Comics Batman & Superman Comic Covers Mini Glass Set, 4-Pack Made of glass Holds up to 1.5-ounces of liquid Set of 4 mini glasses Safe to use in dishwasher Do not use cleaners containing bleach or chlorine Express your love for Batman and Superman with this mini glass set Made of glass Holds up to 1.5-ounces of liquid Set of 4 mini glasses Do not use in microwave or dishwasher Do not use cleaners containing bleach or chlorine Express your love for the Batman villains with this mini glass set