ProBody Pilates Exercise Ball – Multiple Sizes Gym Grade Balance Ball for Fitness, Yoga, Workout, Pregnancy & Physical Therapy

Customers find the exercise ball to be well-made, easy to inflate with the included pump, and effective for physical therapy exercises, particularly for lumbar region workouts. They consider it good value for money and appreciate its functionality. The durability and air retention receive mixed feedback - while some find it strong and air retention good, others report it popping and losing air quickly. Size opinions are also mixed, with some finding it perfect while others say it's smaller than advertised.