1,el advertising t-shirt 2,size:xs,s,m,l,xl,xxl, ... ,CE,ROHS innovated el advertising t-shirtspecification: EL panel+T-shirt+inverter+velcro1. EL panel: In the front or back of the t-shirt. 2. Battery ... placed into an inside pocket with protective cloth tube. el sound activate t-shirt details: 1. Faric Weight: 180g2. Material: 100% ... no light. 3. Promt delivery:3-7days innovated el advertising t-shirt