Detailed Product Description flashing T-shirt, equalizer t-shirt, el T-shirtsound active1.EL T-Shirt, ideal for your artwork or logos printed on as promotion T-Shirts,different artwork, same price 2.Works with 4 x AAA batteries, with on/off feature .3.180g,100%cotton washable T-shirt with EL panel mounted on Velcro patch for easy removal before washing .4.Battery compartment neatly place ...