the instrument is wrapped in a plastic film bag,fixed with hard fermenter plastic padding,and put in a ABS case and then in a carton,outside,it is to be strengthened by nylon straps. Carton dimension: 48*37*20 CM---------1 set, weight 3.5KG Carton dimension: 76.5*39*31.4 CM---------5 set, weight 15.5KG