Mickey Mouse stud earrings in sterling silver These ear studs from the Disney Mickey Mouse collection are made of sterling silver and set with zirconia stones. The stud earrings are suitable for children and Disney fans of all ages. You can return old batteries that we have or have had in our range as new batteries to our shipping warehouse (shipping address) free of charge. The symbols shown on the batteries have the following meaning: The symbol of the crossed-out wheeled bin means that the battery must not be disposed of with household waste. Pb = battery contains more than 0.004% lead by mass Cd = battery contains more than 0.002 percent by mass of cadmium Hg = battery contains more than 0.0005 percent by mass of mercury. Please note the above instructions. powered by.