Take your party to the next level with these sound-activated flashing bracelets. These 9 7/8″ x 3/4″ ABS plastic and silicone bracelets have a sensor that makes the LED lights come alive along with sound. This is a perfect item for New Year’s Eve parties, teen and adult dances, Sweet Sixteen’s, Bar or Bat Mitzvahs, or any sort of celebration. Add your company logo or message to create a great premium for schools, clubs, ball teams or any group. Or just create your own cheering section at a nighttime ball game, concert or competition. Choose from eight festive colors.