The Gym Ball - 95 cm is a fitness tool designed for core strengthening, balance, and flexibility exercises. Its extra-large size suits taller individuals, providing stability during workouts like crunches, squats, and stretches. Using it engages core muscles and enhances balance by introducing instability. It can also replace a traditional desk chair to promote active sitting and better posture, reducing the risk of back pain. Overall, it's an effective tool for improving fitness and well-being at home or in the office.