... Description EL T-shirt ,EL flashing T-shirt EL T-shirt ,EL flashing T-shirt Flashing wayEL panel moving by sound ,lounder ,flashing higher or moving automaticBattery 4*AAAT-shirt color ... Black ,red ,yellow ,pink ,white and so on T-shirt quality 100% cotton ,180gEL panel size Usually 20*14cmWarning ... at night ,and shinning at night Wash Take off EL panel ,then wash OEM and ODM service available, ...