High quality 65cm anti burst balance and fitness exercise gym ball. Very popular low impact exercise device. Great balance exercise ball for gym or home, multi user or personal use. Each ball comes with a foot air pump. Improve not only balance and strength but lateral core strength fitness with a multitude of fitness exercise that are only made possible by using a balance exercise ball. Discover why exercise balance balls have been around for so long and why they are used by top fitness trainers in gyms and fitness studios around the world as an important part of their overall fitness routines.