Gym ball

FIG. 1 is a perspective view of a gym ball showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top elevational view thereof; and,

FIG. 5 is a partial magnified view of FIG. 1 .

The gym ball is a symmetrical structure, a rear elevational view, a right side elevational view and a bottom side elevational view thereof are respectively the same as the front elevational view, the left side elevational view and the top side elevational view thereof, therefore, the rear elevational view, the right side elevational view and the bottom side elevational view thereof are omitted.