... EL panel+T-shirt+inverter+pretty individual pakcing Sizes: XS, S, M, L, XL, XXL, other customized sizes EL panel+T-shirt+inverter+pretty individual pakcing. 1. EL panel ... : In the front or back of the t-shirt. 2. Battery ... S, M, L, XL, XXL, other customized sizes EL panel+T-shirt+inverter+pretty individual pakcing