3 Layers protection all together. The first layer is plastic film bag or air bubble wrap, the second layer is smaller size inner box without any printing, the last protection is bigger outside carton box. Each inner box including 2 piece LED light bars, side ends mount brackets and mount hardware. Inner box size is 6*4.5*23 cm, 0.37 kg, 18 Inner boxes packed into one bigger outside carton, Carton size is 58*24*20 cm, 13.6 kg.