Studio Series Fitness Balls - Standard

Strengthens, stretches and tones all major muscle groups. Enhances coordination and balance. Improves flexibility. Available in Regular or Slow Air Release versions. Choose from 4 sizes: 45 cm (4’ 7” - 5’ 0”), 55 cm (5’ 1” - 5’ 6”), 65 cm (5’ 7” - 6’ 1”) or 75 cm (6’ 2” - 6’ 8”), and 4 colors (blue, green, red or yellow).