... MaterialMetal frame (aluminium, stainless steel or steel) , PMMA acrylic, inner plank, LED, transformer, fluorescent lamp, Lamp ballast ... and cleanResistant to pressure, strike, water, snow, acid, alkali etcEnvironmental-protection, energy savingCE and UL compliantResistant ... to pressure, strike, water, snow, strong UV, acid, alkali etcShapeCustom design is welcome!ColorVarious color and customized ...