b'Balls of All Shapes and Sizes!Balls enhance your workouts and they\'re fun! They help improve abdominal, upper body, and lower back strength and flexibility.Ribbed Inflatable Ball,Playground Ball, Balanced Body Pinky Ball,8-10" (20-25cm) 5 (13cm) 2.5 (7cm)1029610297 10294Inflatable Ball,4 (10cm)10295 Franklin Textured Ball, 4 (10cm)10317Shown: Inflatable Ball and EcoWise Pilates MatLEARN MORE ATpilates.com 77'