Build strength, balance & coordination: Toning exercise balls engage deepest stabilizing muscles for coordination and maximized strength
PVC shell with unstable iron sand filling: Durable, functions well for a lifetime; iron sand inside activates different muscle groups for a leaner & tighter body
Compact and portable: Take on travels for a quick workout; keep at office to stretch and warm up muscles during breaks
Choose appropriate weight: Check size carefully to see if it fits your hands; for larger size, may need to hold with both hands
Versatile weight options: Collection ranges from 2lbs to 10lbs; choose suitable workout ball for your level and purpose
