Whether you use this gym ball as a seat or as a training tool,  it will help improve posture and strength as well as increasing flexibility and balance.  Designed for commercial use, these Everlast Core Strength Balls gym balls are made from a robust burst resistant latex rubber. Supplied with a two way pump. 

Features:

• Perfect for yoga, pilates or warm-ups
• Burst resistant
• Smooth, comfortable surface
• Hand pump included
  
• Grey colour
• Available in 55cm, 65cm or 75cm in diameter (when fully inflated)