1.el display t shirt 2.long lifetime 3.300-500 designs 4. 4-5.5usd EL display t shirts, EL T-Qualizer shirt, EL sound active t-shirt, EL flashing, EL sheet, EL clothing, formed by a T-shirt and a EL luminous panel, are widely used at all kinds of public occasions like evening party, concert, bar, disco dancing, dance hall, sports competition etc.100% cotton good quality t-shirt!1.size: Man or ...