Check the listing for details. Moss Performance Premium Pilates Exercise Ball, Medium Size 9 Inch, for Group.... Condition: New. Listed at 20.20 USD. VERSATILE EXERCISE BALL: This 9-inch small exercise ball is perfect for Pilates, yoga, workout, core training, and physical therapy routines. IMPROVES BALANCE AND STABILITY: Incorporating this mini bender ball into your fitness routine can help improve your balance, stability, and core strength. COMPACT AND PORTABLE With its compact size, this therapy ball is easy to store and transport, making it ideal for home, gym, or travel use. DURABLE CONSTRUCTION: Made from high-quality materials, this core ball is designed to withstand regular use and maintain its shape. TARGET MUSCLE ENGAGEMENT: Utilize this mini workout ball to target and engage specific muscle groups, enhancing your overall fitness and flexibility.