Shine the light on style with our Twinkling Stars Sweaters. Sequined, acrylic knit sweaters feature a twinkling LED star that makes this one fashion that stands out from the rest. Soft acrylic knit with sequined star appliqués and a twinkling LED star Long-lasting battery (included) allows center star to twinkle for up to 72 hours To activate blinking star, remove small, white tab from star. From inside sweater, twist mechanism clockwise. To deactivate star, turn mechanism counter-clockwise. To remove battery for replacement, turn mechanism counter-clockwise until compartment opens. Replace with 3-volt lithium battery.