Our light up LED Unicorn Headband is perfect for the unicorn lover. Each headband measures 11"H and 7.5"W. The soft white fabric covering the plastic headband ensures a comfortable fit for kids and adults of all ages. One size fits most. Bright white LED's blink and flash from the center of 5 different rose colors in front of the gold unicorn horn, in 3 different light modes including steady on, fast flash, and slow flash. There are 3 replaceable AG13 batteries are included and installed. Our LED Unicorn Headband is sure to be a hit at your unicorn theme party or to top off your unicorn costume this Halloween.