... , 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 compartment: Neatly placed into an inside pocket with ... protective cloth tube.T-shirt details: 1. Faric Weight: 180g-220g 2. Material: 100% cotton ...