This travel size ab trainer is perfect for medicine ball-type moves like plyometric push ups, fitness ball core work like ball squats or stability ball stretches like back extensions. Soft and supportive for rehab applications, the unstable surface forces muscles to work harder, helping build strength, improve balance, straighten posture and tone core.

Strengthen and tone your abs and core with the Lifeline Mini Core Ball. Perfect for medicine ball-type moves, this travel size ab trainer also improves posture and balance. Its textured surface prevents slippage, while the unstable surface forces muscles to work harder. Made from phthalate-free, latex-free material, it is gentle on the skin.