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 tube. T-shirt details: 1. Faric Weight: 180g-220g 2. Material: 100% cotton or other materials according to customers' demand. 3. Style: Men's, women's, children's 4. Collar: V neck or round neck 5. Sleeve: Short sleeve and long sleeve 4. Color: White, pink, black, any other customized colors 5. Sizes: XS, S, M, L, XL, XXL, other customized sizes