ProBody Pilates Small Exercise Ball with Pump – 9 Inch Workout Ball for Stability, Barre, Yoga, Core & Physical Therapy

Customers find the exercise ball to be of good quality, easy to inflate with the included pump, and suitable for physical therapy and home workouts. The size is perfect, and customers appreciate the included pump, with one noting it's a game changer. The durability and air retention receive mixed feedback - while some say it stays inflated well, others report losing air quickly.