Loosen knots in muscles and speed your recovery after training to make sure you are ready to back up the next day with the Celsius Therapy Ball. The handheld ball's spiky surface is perfect for relieving tension in muscles and personalise pressure from rolling by hand or using bodyweight for added pressure. The compact size makes the therapy ball easy to transport in the gym bag or to and from matches. Portable, handheld design for effortless use Spiky surface for improved muscle penetration Helps relieve muscle tension and pain Perfect for the bicep, knee and shoulder areas Compact size perfect for the gym bag Available in assorted colours