Ion cleanse detoxification foot spa including one infrared waist belt, one wrist strap, one array, one power supply cord, one storage aluminum box with one year warranty. This item deals with positive and negative ions. For further information, please do not hesitate to contact with us. Packing: one unit in one inner carton, then 4 units in one outer carton. Size of the outer carton: lxwxh : 67x43x34 cm Weight of the outer carton that hold 4 units:22kg