I claim the ornamental design for a medicine ball with handles, as shown and described.
FIG. 1 is a top perspective view of the medicine ball with handles showing my new design;
FIG. 2 is a front side elevation view thereof;
FIG. 3 is a back side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The surface of the medicine ball with handles between the two sets of broken lines depicts environment and forms no part of the claimed design. The lace elements and their corresponding apertures, which are shown in between the two sets of broken lines, are shown in solid lines and do form part of the claimed design.