BIG BALLS ARE SO handy and have 100′s of easy fast exercises and stretches to increase your flexibility and strength.The big exercise ball is also gentle on the spine, allows for great range of movement and can be used to work nearly all the muscle groups. Big exercise balls are made of soft plastic, filled with air and come in a range of sizes: smaller 55cm balls are designed for shorter, smaller people while 65cm or 75cm balls are good for heavier and taller frames.
