... .100% cotton 3.various models for ur choose led t-shirts Features:1.EL panel:Sound sensitive,high brightness ,no heat , ... kinds of panel sheet,customer design are welcome 2.EL T-shirt :Colour : any colour for customer option(Black ,white ,pink ... thin,confortable feelSize: S,M,X,XL ,XXL(Standard European size)Power:4xAAAbattery pack 3.Packing:PVC/PP bag per picece60 ...