The ornamental design for a massagedevice with a rounded body and a flangemember, as shown and described.
FIG. 1 is an isometric view of an embodiment of a massage device with a rounded body and a flange member showing my new design.
FIG. 2 is a top plan view of massage device with a rounded body and a flange member of FIG. 1.
FIG. 3 is a front elevational view of the massage device with a rounded body and a flange member of FIG. 1. The rear elevational view is the same.
FIG. 4 is a left elevational view of the massage device with a rounded body and a flange member of FIG. 1. The right elevational view is the same; and,
FIG. 5 is a bottom plan view of the massage device with a rounded body and a flange member of FIG. 1.