1,180G,100% cotton 2,mix 700 different models 3,tshirt:men,women,children 4,sew or velcro 5,4AAA or 2AAA batteries pack EL T-shirt, EL flashing T-shirt, sound active EL T-shirt, Equalizer T-shirt Product structure: EL panel+T-shirt+inverter+pretty individual pakcing. 1. EL panel: In the front or back of the t-shirt. 2. Battery compartment: Neatly placed into an inside pocket with protective cloth ...