Inject somehumour into christmas with a led light up christmas t shirtr choose from 4 designs bad santa merry christmas 12 pubs and christmas treer reacts to the sound in the environmentr you can even control the intensity of the flashes with the volume adjusterr light on the chest and soft to the touch made from 100 cottonr hand washable simply unplug the battery box and velcro panel from the t shirtr requires 4 x aaa batteries not includedr inspire laught