Precision instruments, air tank surface resistance PBS ran material, ABS, aluminum, etc., with fire, water, acid and alkali effect. Box wall using (8-12MM) of wood, box paste (8-15MM) vibration moisture EVA plastic materials, accessories with butterfly lock, handle. Cikuan air box box without odor has passed ROHS certification, full compliance with the environmental requirements of export Europe and the United States! High-end packaging, beautiful, lean, better showing built-in product value. Nature of design, solid, easy transportation, there are a variety of colors to choose from, so as to make the use of sex and aesthetics are a perfect combination.