BOSU Ball

√ The BOSU is four products in one! Stability ball, balance pillow, wobble board and plyo box.
√ With "bubble" side up, sit, stand, lie, kneel or jump. With platform side up, do push-ups or even stand on the balance trainer for an advanced balance workout.
√ Any exercise done on the ground can be performed on the BOSU Exercise Ball – making it more challenging and fun.