Get your music notes ready for your party. Add the Bar of Musical Notes Light Up Pins to your supplies. Each pin displays a mix of different music notes that are perfect for any 1920’s event. Bring the jazz to your New Year’s Eve event. Measures 2.25 inches by 1.5 inch in size to wear on your shirt or apron and enjoy throughout the night. Simply activate each piece by pressing the button on the back of the pin. Replaceable batteries are included to use these at future events. Comes packaged wholesale in a pack of twelve pieces.