Suitable for all ages, this exercise ball is recommended for 5'6 and above. The gym ball can be used by professionals and home use due to its high quality technology. Gym balls can help strengthen, rehabilitate and tone muscles throughout the whole body including your bodies core muscles which are so important for good posture. Due to the thickness of the anti burst technology, the ball will require inflation in a warm room to enable the ball to stretch to its full capacity. Stabiliser is excellent for giving added stability and during rehabilitation exercises, also helpful during pregnancy. When not in use, the stabiliser will store your ball neatly but can be unclicked into four pieces to store easily.