. . ". 9B is a perspective view showing the water-decomposable cleaning product in a developed form of the water-decomposable cleaning product shown in FIG. 9A.FIG. 10 is a perspective view showing the water-decomposable cleaning product according to the fourth embodiment of the present invention.FIG. 11 is a perspective view showing another form of the water-decomposable cleaning product according to" . .